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## Synopsis

    struct      xmlParserInputBuffer;
    typedef     xmlParserInputBufferPtr;
    struct      xmlOutputBuffer;
    typedef     xmlOutputBufferPtr;
    struct      xmlParserInput;
    typedef     xmlParserInputPtr;
    struct      xmlParserCtxt;
    typedef     xmlParserCtxtPtr;
    struct      xmlSAXLocator;
    typedef     xmlSAXLocatorPtr;
    struct      xmlSAXHandler;
    typedef     xmlSAXHandlerPtr;
    struct      xmlEntity;
    typedef     xmlEntityPtr;
    #define     BASE_BUFFER_SIZE
    #define     XML_XML_NAMESPACE
    enum        xmlElementType;
    typedef     xmlChar;
    #define     BAD_CAST
    struct      xmlNotation;
    typedef     xmlNotationPtr;
    enum        xmlAttributeType;
    enum        xmlAttributeDefault;
    struct      xmlEnumeration;
    typedef     xmlEnumerationPtr;
    struct      xmlAttribute;
    typedef     xmlAttributePtr;
    enum        xmlElementContentType;
    enum        xmlElementContentOccur;
    struct      xmlElementContent;
    typedef     xmlElementContentPtr;
    enum        xmlElementTypeVal;
    struct      xmlElement;
    typedef     xmlElementPtr;
    #define     XML_LOCAL_NAMESPACE
    typedef     xmlNsType;
    struct      xmlNs;
    typedef     xmlNsPtr;
    struct      xmlDtd;
    typedef     xmlDtdPtr;
    struct      xmlAttr;
    typedef     xmlAttrPtr;
    struct      xmlID;
    typedef     xmlIDPtr;
    struct      xmlRef;
    typedef     xmlRefPtr;
    enum        xmlBufferAllocationScheme;
    struct      xmlBuffer;
    typedef     xmlBufferPtr;
    struct      xmlNode;
    typedef     xmlNodePtr;
    #define     XML_GET_CONTENT                 (n)
    #define     XML_GET_LINE                    (n)
    struct      xmlDoc;
    typedef     xmlDocPtr;
    #define     xmlChildrenNode
    #define     xmlRootNode
    int         xmlValidateNCName               (const xmlChar *value,
                                                 int space);
    int         xmlValidateQName                (const xmlChar *value,
                                                 int space);
    int         xmlValidateName                 (const xmlChar *value,
                                                 int space);
    int         xmlValidateNMToken              (const xmlChar *value,
                                                 int space);
    xmlChar*    xmlBuildQName                   (const xmlChar *ncname,
                                                 const xmlChar *prefix,
                                                 xmlChar *memory,
                                                 int len);
    xmlChar*    xmlSplitQName2                  (const xmlChar *name,
                                                 xmlChar **prefix);
    const xmlChar* xmlSplitQName3               (const xmlChar *name,
                                                 int *len);
    void        xmlSetBufferAllocationScheme    (xmlBufferAllocationScheme scheme);
    xmlBufferAllocationScheme xmlGetBufferAllocationScheme
                                                (void);
    xmlBufferPtr xmlBufferCreate                (void);
    xmlBufferPtr xmlBufferCreateSize            (size_t size);
    int         xmlBufferResize                 (xmlBufferPtr buf,
                                                 unsigned int size);
    void        xmlBufferFree                   (xmlBufferPtr buf);
    int         xmlBufferDump                   (FILE *file,
                                                 xmlBufferPtr buf);
    void        xmlBufferAdd                    (xmlBufferPtr buf,
                                                 const xmlChar *str,
                                                 int len);
    void        xmlBufferAddHead                (xmlBufferPtr buf,
                                                 const xmlChar *str,
                                                 int len);
    void        xmlBufferCat                    (xmlBufferPtr buf,
                                                 const xmlChar *str);
    void        xmlBufferCCat                   (xmlBufferPtr buf,
                                                 const char *str);
    int         xmlBufferShrink                 (xmlBufferPtr buf,
                                                 unsigned int len);
    int         xmlBufferGrow                   (xmlBufferPtr buf,
                                                 unsigned int len);
    void        xmlBufferEmpty                  (xmlBufferPtr buf);
    const xmlChar* xmlBufferContent             (const xmlBufferPtr buf);
    void        xmlBufferSetAllocationScheme    (xmlBufferPtr buf,
                                                 xmlBufferAllocationScheme scheme);
    int         xmlBufferLength                 (const xmlBufferPtr buf);
    xmlDtdPtr   xmlCreateIntSubset              (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *ExternalID,
                                                 const xmlChar *SystemID);
    xmlDtdPtr   xmlNewDtd                       (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *ExternalID,
                                                 const xmlChar *SystemID);
    xmlDtdPtr   xmlGetIntSubset                 (xmlDocPtr doc);
    void        xmlFreeDtd                      (xmlDtdPtr cur);
    xmlNsPtr    xmlNewGlobalNs                  (xmlDocPtr doc,
                                                 const xmlChar *href,
                                                 const xmlChar *prefix);
    xmlNsPtr    xmlNewNs                        (xmlNodePtr node,
                                                 const xmlChar *href,
                                                 const xmlChar *prefix);
    void        xmlFreeNs                       (xmlNsPtr cur);
    void        xmlFreeNsList                   (xmlNsPtr cur);
    xmlDocPtr   xmlNewDoc                       (const xmlChar *version);
    void        xmlFreeDoc                      (xmlDocPtr cur);
    xmlAttrPtr  xmlNewDocProp                   (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *value);
    xmlAttrPtr  xmlNewProp                      (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *value);
    xmlAttrPtr  xmlNewNsProp                    (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *value);
    xmlAttrPtr  xmlNewNsPropEatName             (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 xmlChar *name,
                                                 const xmlChar *value);
    void        xmlFreePropList                 (xmlAttrPtr cur);
    void        xmlFreeProp                     (xmlAttrPtr cur);
    xmlAttrPtr  xmlCopyProp                     (xmlNodePtr target,
                                                 xmlAttrPtr cur);
    xmlAttrPtr  xmlCopyPropList                 (xmlNodePtr target,
                                                 xmlAttrPtr cur);
    xmlDtdPtr   xmlCopyDtd                      (xmlDtdPtr dtd);
    xmlDocPtr   xmlCopyDoc                      (xmlDocPtr doc,
                                                 int recursive);
    xmlNodePtr  xmlNewDocNode                   (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewDocNodeEatName            (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewDocRawNode                (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewNode                      (xmlNsPtr ns,
                                                 const xmlChar *name);
    xmlNodePtr  xmlNewNodeEatName               (xmlNsPtr ns,
                                                 xmlChar *name);
    xmlNodePtr  xmlNewChild                     (xmlNodePtr parent,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewTextChild                 (xmlNodePtr parent,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewDocText                   (xmlDocPtr doc,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewText                      (const xmlChar *content);
    xmlNodePtr  xmlNewPI                        (const xmlChar *name,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewDocTextLen                (xmlDocPtr doc,
                                                 const xmlChar *content,
                                                 int len);
    xmlNodePtr  xmlNewTextLen                   (const xmlChar *content,
                                                 int len);
    xmlNodePtr  xmlNewDocComment                (xmlDocPtr doc,
                                                 const xmlChar *content);
    xmlNodePtr  xmlNewComment                   (const xmlChar *content);
    xmlNodePtr  xmlNewCDataBlock                (xmlDocPtr doc,
                                                 const xmlChar *content,
                                                 int len);
    xmlNodePtr  xmlNewCharRef                   (xmlDocPtr doc,
                                                 const xmlChar *name);
    xmlNodePtr  xmlNewReference                 (xmlDocPtr doc,
                                                 const xmlChar *name);
    xmlNodePtr  xmlCopyNode                     (const xmlNodePtr node,
                                                 int recursive);
    xmlNodePtr  xmlDocCopyNode                  (const xmlNodePtr node,
                                                 xmlDocPtr doc,
                                                 int recursive);
    xmlNodePtr  xmlCopyNodeList                 (const xmlNodePtr node);
    xmlNodePtr  xmlNewDocFragment               (xmlDocPtr doc);
    long        xmlGetLineNo                    (xmlNodePtr node);
    xmlChar*    xmlGetNodePath                  (xmlNodePtr node);
    xmlNodePtr  xmlDocGetRootElement            (xmlDocPtr doc);
    xmlNodePtr  xmlGetLastChild                 (xmlNodePtr parent);
    int         xmlNodeIsText                   (xmlNodePtr node);
    int         xmlIsBlankNode                  (xmlNodePtr node);
    xmlNodePtr  xmlDocSetRootElement            (xmlDocPtr doc,
                                                 xmlNodePtr root);
    void        xmlNodeSetName                  (xmlNodePtr cur,
                                                 const xmlChar *name);
    xmlNodePtr  xmlAddChild                     (xmlNodePtr parent,
                                                 xmlNodePtr cur);
    xmlNodePtr  xmlAddChildList                 (xmlNodePtr parent,
                                                 xmlNodePtr cur);
    xmlNodePtr  xmlReplaceNode                  (xmlNodePtr old,
                                                 xmlNodePtr cur);
    xmlNodePtr  xmlAddSibling                   (xmlNodePtr cur,
                                                 xmlNodePtr elem);
    xmlNodePtr  xmlAddPrevSibling               (xmlNodePtr cur,
                                                 xmlNodePtr elem);
    xmlNodePtr  xmlAddNextSibling               (xmlNodePtr cur,
                                                 xmlNodePtr elem);
    void        xmlUnlinkNode                   (xmlNodePtr cur);
    xmlNodePtr  xmlTextMerge                    (xmlNodePtr first,
                                                 xmlNodePtr second);
    int         xmlTextConcat                   (xmlNodePtr node,
                                                 const xmlChar *content,
                                                 int len);
    void        xmlFreeNodeList                 (xmlNodePtr cur);
    void        xmlFreeNode                     (xmlNodePtr cur);
    void        xmlSetTreeDoc                   (xmlNodePtr tree,
                                                 xmlDocPtr doc);
    void        xmlSetListDoc                   (xmlNodePtr list,
                                                 xmlDocPtr doc);
    xmlNsPtr    xmlSearchNs                     (xmlDocPtr doc,
                                                 xmlNodePtr node,
                                                 const xmlChar *nameSpace);
    xmlNsPtr    xmlSearchNsByHref               (xmlDocPtr doc,
                                                 xmlNodePtr node,
                                                 const xmlChar *href);
    xmlNsPtr*   xmlGetNsList                    (xmlDocPtr doc,
                                                 xmlNodePtr node);
    void        xmlSetNs                        (xmlNodePtr node,
                                                 xmlNsPtr ns);
    xmlNsPtr    xmlCopyNamespace                (xmlNsPtr cur);
    xmlNsPtr    xmlCopyNamespaceList            (xmlNsPtr cur);
    xmlAttrPtr  xmlSetProp                      (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *value);
    xmlChar*    xmlGetProp                      (xmlNodePtr node,
                                                 const xmlChar *name);
    xmlChar*    xmlGetNoNsProp                  (xmlNodePtr node,
                                                 const xmlChar *name);
    xmlAttrPtr  xmlHasProp                      (xmlNodePtr node,
                                                 const xmlChar *name);
    xmlAttrPtr  xmlHasNsProp                    (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *nameSpace);
    xmlAttrPtr  xmlSetNsProp                    (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *value);
    xmlChar*    xmlGetNsProp                    (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *nameSpace);
    xmlNodePtr  xmlStringGetNodeList            (xmlDocPtr doc,
                                                 const xmlChar *value);
    xmlNodePtr  xmlStringLenGetNodeList         (xmlDocPtr doc,
                                                 const xmlChar *value,
                                                 int len);
    xmlChar*    xmlNodeListGetString            (xmlDocPtr doc,
                                                 xmlNodePtr list,
                                                 int inLine);
    xmlChar*    xmlNodeListGetRawString         (xmlDocPtr doc,
                                                 xmlNodePtr list,
                                                 int inLine);
    void        xmlNodeSetContent               (xmlNodePtr cur,
                                                 const xmlChar *content);
    void        xmlNodeSetContentLen            (xmlNodePtr cur,
                                                 const xmlChar *content,
                                                 int len);
    void        xmlNodeAddContent               (xmlNodePtr cur,
                                                 const xmlChar *content);
    void        xmlNodeAddContentLen            (xmlNodePtr cur,
                                                 const xmlChar *content,
                                                 int len);
    xmlChar*    xmlNodeGetContent               (xmlNodePtr cur);
    xmlChar*    xmlNodeGetLang                  (xmlNodePtr cur);
    void        xmlNodeSetLang                  (xmlNodePtr cur,
                                                 const xmlChar *lang);
    int         xmlNodeGetSpacePreserve         (xmlNodePtr cur);
    void        xmlNodeSetSpacePreserve         (xmlNodePtr cur,
                                                 int val);
    xmlChar*    xmlNodeGetBase                  (xmlDocPtr doc,
                                                 xmlNodePtr cur);
    void        xmlNodeSetBase                  (xmlNodePtr cur,
                                                 xmlChar *uri);
    int         xmlRemoveProp                   (xmlAttrPtr cur);
    int         xmlUnsetProp                    (xmlNodePtr node,
                                                 const xmlChar *name);
    int         xmlUnsetNsProp                  (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name);
    void        xmlBufferWriteCHAR              (xmlBufferPtr buf,
                                                 const xmlChar *string);
    void        xmlBufferWriteChar              (xmlBufferPtr buf,
                                                 const char *string);
    void        xmlBufferWriteQuotedString      (xmlBufferPtr buf,
                                                 const xmlChar *string);
    int         xmlReconciliateNs               (xmlDocPtr doc,
                                                 xmlNodePtr tree);
    void        xmlDocDumpFormatMemory          (xmlDocPtr cur,
                                                 xmlChar **mem,
                                                 int *size,
                                                 int format);
    void        xmlDocDumpMemory                (xmlDocPtr cur,
                                                 xmlChar **mem,
                                                 int *size);
    void        xmlDocDumpMemoryEnc             (xmlDocPtr out_doc,
                                                 xmlChar **doc_txt_ptr,
                                                 int *doc_txt_len,
                                                 const char *txt_encoding);
    void        xmlDocDumpFormatMemoryEnc       (xmlDocPtr out_doc,
                                                 xmlChar **doc_txt_ptr,
                                                 int *doc_txt_len,
                                                 const char *txt_encoding,
                                                 int format);
    int         xmlDocFormatDump                (FILE *f,
                                                 xmlDocPtr cur,
                                                 int format);
    int         xmlDocDump                      (FILE *f,
                                                 xmlDocPtr cur);
    void        xmlElemDump                     (FILE *f,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur);
    int         xmlSaveFile                     (const char *filename,
                                                 xmlDocPtr cur);
    int         xmlSaveFormatFile               (const char *filename,
                                                 xmlDocPtr cur,
                                                 int format);
    int         xmlNodeDump                     (xmlBufferPtr buf,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur,
                                                 int level,
                                                 int format);
    int         xmlSaveFileTo                   (xmlOutputBufferPtr buf,
                                                 xmlDocPtr cur,
                                                 const char *encoding);
    int         xmlSaveFormatFileTo             (xmlOutputBufferPtr buf,
                                                 xmlDocPtr cur,
                                                 const char *encoding,
                                                 int format);
    void        xmlNodeDumpOutput               (xmlOutputBufferPtr buf,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur,
                                                 int level,
                                                 int format,
                                                 const char *encoding);
    int         xmlSaveFormatFileEnc            (const char *filename,
                                                 xmlDocPtr cur,
                                                 const char *encoding,
                                                 int format);
    int         xmlSaveFileEnc                  (const char *filename,
                                                 xmlDocPtr cur,
                                                 const char *encoding);
    int         xmlIsXHTML                      (const xmlChar *systemID,
                                                 const xmlChar *publicID);
    int         xmlGetDocCompressMode           (xmlDocPtr doc);
    void        xmlSetDocCompressMode           (xmlDocPtr doc,
                                                 int mode);
    int         xmlGetCompressMode              (void);
    void        xmlSetCompressMode              (int mode);

## Description

## Details

### struct xmlParserInputBuffer

    struct xmlParserInputBuffer {
        void*                  context;
        xmlInputReadCallback   readcallback;
        xmlInputCloseCallback  closecallback;

        xmlCharEncodingHandlerPtr encoder; /* I18N conversions to UTF-8 */

        xmlBufferPtr buffer;    /* Local buffer encoded in UTF-8 */
        xmlBufferPtr raw;       /* if encoder != NULL buffer for raw input */
    };

### xmlParserInputBufferPtr

    typedef xmlParserInputBuffer *xmlParserInputBufferPtr;

### struct xmlOutputBuffer

    struct xmlOutputBuffer {
        void*                   context;
        xmlOutputWriteCallback  writecallback;
        xmlOutputCloseCallback  closecallback;

        xmlCharEncodingHandlerPtr encoder; /* I18N conversions to UTF-8 */

        xmlBufferPtr buffer;    /* Local buffer encoded in UTF-8 or ISOLatin */
        xmlBufferPtr conv;      /* if encoder != NULL buffer for output */
        int written;            /* total number of byte written */
    };

### xmlOutputBufferPtr

    typedef xmlOutputBuffer *xmlOutputBufferPtr;

### struct xmlParserInput

    struct xmlParserInput {
        /* Input buffer */
        xmlParserInputBufferPtr buf;      /* UTF-8 encoded buffer */

        const char *filename;             /* The file analyzed, if any */
        const char *directory;            /* the directory/base of the file */
        const xmlChar *base;              /* Base of the array to parse */
        const xmlChar *cur;               /* Current char being parsed */
        const xmlChar *end;               /* end of the array to parse */
        int length;                       /* length if known */
        int line;                         /* Current line */
        int col;                          /* Current column */
        /*
         * NOTE: consumed is only tested for equality in the parser code,
         *       so even if there is an overflow this should not give troubles
         *       for parsing very large instances.
         */
        unsigned long consumed;           /* How many xmlChars already consumed */
        xmlParserInputDeallocate free;    /* function to deallocate the base */
        const xmlChar *encoding;          /* the encoding string for entity */
        const xmlChar *version;           /* the version string for entity */
        int standalone;                   /* Was that entity marked standalone */
    };

An xmlParserInput is an input flow for the XML processor. Each entity parsed is associated an xmlParserInput (except the few predefined ones). This is the case both for internal entities - in which case the flow is already completely in memory - or external entities - in which case we use the buf structure for progressive reading and I18N conversions to the internal UTF-8 format.

### xmlParserInputPtr

    typedef xmlParserInput *xmlParserInputPtr;

### struct xmlParserCtxt

    struct xmlParserCtxt {
        struct _xmlSAXHandler *sax;       /* The SAX handler */
        void            *userData;        /* For SAX interface only, used by DOM build */
        xmlDocPtr           myDoc;        /* the document being built */
        int            wellFormed;        /* is the document well formed */
        int       replaceEntities;        /* shall we replace entities ? */
        const xmlChar    *version;        /* the XML version string */
        const xmlChar   *encoding;        /* the declared encoding, if any */
        int            standalone;        /* standalone document */
        int                  html;        /* an HTML(1)/Docbook(2) document */

        /* Input stream stack */
        xmlParserInputPtr  input;         /* Current input stream */
        int                inputNr;       /* Number of current input streams */
        int                inputMax;      /* Max number of input streams */
        xmlParserInputPtr *inputTab;      /* stack of inputs */

        /* Node analysis stack only used for DOM building */
        xmlNodePtr         node;          /* Current parsed Node */
        int                nodeNr;        /* Depth of the parsing stack */
        int                nodeMax;       /* Max depth of the parsing stack */
        xmlNodePtr        *nodeTab;       /* array of nodes */

        int record_info;                  /* Whether node info should be kept */
        xmlParserNodeInfoSeq node_seq;    /* info about each node parsed */

        int errNo;                        /* error code */

        int     hasExternalSubset;        /* reference and external subset */
        int             hasPErefs;        /* the internal subset has PE refs */
        int              external;        /* are we parsing an external entity */

        int                 valid;        /* is the document valid */
        int              validate;        /* shall we try to validate ? */
        xmlValidCtxt        vctxt;        /* The validity context */

        xmlParserInputState instate;      /* current type of input */
        int                 token;        /* next char look-ahead */

        char           *directory;        /* the data directory */

        /* Node name stack */
        const xmlChar     *name;          /* Current parsed Node */
        int                nameNr;        /* Depth of the parsing stack */
        int                nameMax;       /* Max depth of the parsing stack */
        const xmlChar *   *nameTab;       /* array of nodes */

        long               nbChars;       /* number of xmlChar processed */
        long            checkIndex;       /* used by progressive parsing lookup */
        int             keepBlanks;       /* ugly but ... */
        int             disableSAX;       /* SAX callbacks are disabled */
        int               inSubset;       /* Parsing is in int 1/ext 2 subset */
        const xmlChar *    intSubName;    /* name of subset */
        xmlChar *          extSubURI;     /* URI of external subset */
        xmlChar *          extSubSystem;  /* SYSTEM ID of external subset */

        /* xml:space values */
        int *              space;         /* Should the parser preserve spaces */
        int                spaceNr;       /* Depth of the parsing stack */
        int                spaceMax;      /* Max depth of the parsing stack */
        int *              spaceTab;      /* array of space infos */

        int                depth;         /* to prevent entity substitution loops */
        xmlParserInputPtr  entity;        /* used to check entities boundaries */
        int                charset;       /* encoding of the in-memory content
    				         actually an xmlCharEncoding */
        int                nodelen;       /* Those two fields are there to */
        int                nodemem;       /* Speed up large node parsing */
        int                pedantic;      /* signal pedantic warnings */
        void              *_private;      /* For user data, libxml won't touch it */

        int                loadsubset;    /* should the external subset be loaded */
        int                linenumbers;   /* set line number in element content */
        void              *catalogs;       /* document's own catalog */
        int                recovery;      /* run in recovery mode */
        int                progressive;   /* is this a progressive parsing */
        xmlDictPtr         dict;          /* dictionnary for the parser */
    };

The parser context. NOTE This doesn't completely define the parser state, the (current ?) design of the parser uses recursive function calls since this allow and easy mapping from the production rules of the specification to the actual code. The drawback is that the actual function call also reflect the parser state. However most of the parsing routines takes as the only argument the parser context pointer, so migrating to a state based parser for progressive parsing shouldn't be too hard.

### xmlParserCtxtPtr

    typedef xmlParserCtxt *xmlParserCtxtPtr;

### struct xmlSAXLocator

    struct xmlSAXLocator {
        const xmlChar *(*getPublicId)(void *ctx);
        const xmlChar *(*getSystemId)(void *ctx);
        int (*getLineNumber)(void *ctx);
        int (*getColumnNumber)(void *ctx);
    };

A SAX Locator.

### xmlSAXLocatorPtr

    typedef xmlSAXLocator *xmlSAXLocatorPtr;

### struct xmlSAXHandler

    struct xmlSAXHandler {
        internalSubsetSAXFunc internalSubset;
        isStandaloneSAXFunc isStandalone;
        hasInternalSubsetSAXFunc hasInternalSubset;
        hasExternalSubsetSAXFunc hasExternalSubset;
        resolveEntitySAXFunc resolveEntity;
        getEntitySAXFunc getEntity;
        entityDeclSAXFunc entityDecl;
        notationDeclSAXFunc notationDecl;
        attributeDeclSAXFunc attributeDecl;
        elementDeclSAXFunc elementDecl;
        unparsedEntityDeclSAXFunc unparsedEntityDecl;
        setDocumentLocatorSAXFunc setDocumentLocator;
        startDocumentSAXFunc startDocument;
        endDocumentSAXFunc endDocument;
        startElementSAXFunc startElement;
        endElementSAXFunc endElement;
        referenceSAXFunc reference;
        charactersSAXFunc characters;
        ignorableWhitespaceSAXFunc ignorableWhitespace;
        processingInstructionSAXFunc processingInstruction;
        commentSAXFunc comment;
        warningSAXFunc warning;
        errorSAXFunc error;
        fatalErrorSAXFunc fatalError; /* unused error() get all the errors */
        getParameterEntitySAXFunc getParameterEntity;
        cdataBlockSAXFunc cdataBlock;
        externalSubsetSAXFunc externalSubset;
        int initialized;
    };

A SAX handler is bunch of callbacks called by the parser when processing of the input generate data or structure informations.

### xmlSAXHandlerPtr

    typedef xmlSAXHandler *xmlSAXHandlerPtr;

### struct xmlEntity

    struct xmlEntity {
        void           *_private;	        /* application data */
        xmlElementType          type;       /* XML_ENTITY_DECL, must be second ! */
        const xmlChar          *name;	/* Entity name */
        struct _xmlNode    *children;	/* First child link */
        struct _xmlNode        *last;	/* Last child link */
        struct _xmlDtd       *parent;	/* -> DTD */
        struct _xmlNode        *next;	/* next sibling link  */
        struct _xmlNode        *prev;	/* previous sibling link  */
        struct _xmlDoc          *doc;       /* the containing document */

        xmlChar                *orig;	/* content without ref substitution */
        xmlChar             *content;	/* content or ndata if unparsed */
        int                   length;	/* the content length */
        xmlEntityType          etype;	/* The entity type */
        const xmlChar    *ExternalID;	/* External identifier for PUBLIC */
        const xmlChar      *SystemID;	/* URI for a SYSTEM or PUBLIC Entity */

        struct _xmlEntity     *nexte;	/* unused */
        const xmlChar           *URI;	/* the full URI as computed */
        int                    owner;	/* does the entity own the childrens */
    };

### xmlEntityPtr

    typedef xmlEntity *xmlEntityPtr;

### BASE_BUFFER_SIZE

    #define BASE_BUFFER_SIZE 4000

default buffer size 4000.

### XML_XML_NAMESPACE

    #define     XML_XML_NAMESPACE

This is the namespace for the special xml: prefix predefined in the XML Namespace specification.

### enum xmlElementType

    typedef enum {
        XML_ELEMENT_NODE=		1,
        XML_ATTRIBUTE_NODE=		2,
        XML_TEXT_NODE=		3,
        XML_CDATA_SECTION_NODE=	4,
        XML_ENTITY_REF_NODE=	5,
        XML_ENTITY_NODE=		6,
        XML_PI_NODE=		7,
        XML_COMMENT_NODE=		8,
        XML_DOCUMENT_NODE=		9,
        XML_DOCUMENT_TYPE_NODE=	10,
        XML_DOCUMENT_FRAG_NODE=	11,
        XML_NOTATION_NODE=		12,
        XML_HTML_DOCUMENT_NODE=	13,
        XML_DTD_NODE=		14,
        XML_ELEMENT_DECL=		15,
        XML_ATTRIBUTE_DECL=		16,
        XML_ENTITY_DECL=		17,
        XML_NAMESPACE_DECL=		18,
        XML_XINCLUDE_START=		19,
        XML_XINCLUDE_END=		20
    #ifdef LIBXML_DOCB_ENABLED
       ,XML_DOCB_DOCUMENT_NODE=	21
    #endif
    } xmlElementType;

### xmlChar

    typedef unsigned char xmlChar;

This is a basic byte in an UTF-8 encoded string. It's unsigned allowing to pinpoint case where char * are assigned to xmlChar * (possibly making serialization back impossible).

### BAD_CAST

    #define BAD_CAST (xmlChar *)

Macro to cast a string to an xmlChar * when one know its safe.

### struct xmlNotation

    struct xmlNotation {
        const xmlChar               *name;	        /* Notation name */
        const xmlChar               *PublicID;	/* Public identifier, if any */
        const xmlChar               *SystemID;	/* System identifier, if any */
    };

A DTD Notation definition.

### xmlNotationPtr

    typedef xmlNotation *xmlNotationPtr;

### enum xmlAttributeType

    typedef enum {
        XML_ATTRIBUTE_CDATA = 1,
        XML_ATTRIBUTE_ID,
        XML_ATTRIBUTE_IDREF	,
        XML_ATTRIBUTE_IDREFS,
        XML_ATTRIBUTE_ENTITY,
        XML_ATTRIBUTE_ENTITIES,
        XML_ATTRIBUTE_NMTOKEN,
        XML_ATTRIBUTE_NMTOKENS,
        XML_ATTRIBUTE_ENUMERATION,
        XML_ATTRIBUTE_NOTATION
    } xmlAttributeType;

A DTD Attribute type definition.

### enum xmlAttributeDefault

    typedef enum {
        XML_ATTRIBUTE_NONE = 1,
        XML_ATTRIBUTE_REQUIRED,
        XML_ATTRIBUTE_IMPLIED,
        XML_ATTRIBUTE_FIXED
    } xmlAttributeDefault;

A DTD Attribute default definition.

### struct xmlEnumeration

    struct xmlEnumeration {
        struct _xmlEnumeration    *next;	/* next one */
        const xmlChar            *name;	/* Enumeration name */
    };

List structure used when there is an enumeration in DTDs.

### xmlEnumerationPtr

    typedef xmlEnumeration *xmlEnumerationPtr;

### struct xmlAttribute

    struct xmlAttribute {
        void           *_private;	        /* application data */
        xmlElementType          type;       /* XML_ATTRIBUTE_DECL, must be second ! */
        const xmlChar          *name;	/* Attribute name */
        struct _xmlNode    *children;	/* NULL */
        struct _xmlNode        *last;	/* NULL */
        struct _xmlDtd       *parent;	/* -> DTD */
        struct _xmlNode        *next;	/* next sibling link  */
        struct _xmlNode        *prev;	/* previous sibling link  */
        struct _xmlDoc          *doc;       /* the containing document */

        struct _xmlAttribute  *nexth;	/* next in hash table */
        xmlAttributeType       atype;	/* The attribute type */
        xmlAttributeDefault      def;	/* the default */
        const xmlChar  *defaultValue;	/* or the default value */
        xmlEnumerationPtr       tree;       /* or the enumeration tree if any */
        const xmlChar        *prefix;	/* the namespace prefix if any */
        const xmlChar          *elem;	/* Element holding the attribute */
    };

An Attribute declaration in a DTD.

### xmlAttributePtr

    typedef xmlAttribute *xmlAttributePtr;

### enum xmlElementContentType

    typedef enum {
        XML_ELEMENT_CONTENT_PCDATA = 1,
        XML_ELEMENT_CONTENT_ELEMENT,
        XML_ELEMENT_CONTENT_SEQ,
        XML_ELEMENT_CONTENT_OR
    } xmlElementContentType;

Possible definitions of element content types.

### enum xmlElementContentOccur

    typedef enum {
        XML_ELEMENT_CONTENT_ONCE = 1,
        XML_ELEMENT_CONTENT_OPT,
        XML_ELEMENT_CONTENT_MULT,
        XML_ELEMENT_CONTENT_PLUS
    } xmlElementContentOccur;

Possible definitions of element content occurrences.

### struct xmlElementContent

    struct xmlElementContent {
        xmlElementContentType     type;	/* PCDATA, ELEMENT, SEQ or OR */
        xmlElementContentOccur    ocur;	/* ONCE, OPT, MULT or PLUS */
        const xmlChar             *name;	/* Element name */
        struct _xmlElementContent *c1;	/* first child */
        struct _xmlElementContent *c2;	/* second child */
        struct _xmlElementContent *parent;	/* parent */
        const xmlChar             *prefix;	/* Namespace prefix */
    };

An XML Element content as stored after parsing an element definition in a DTD.

### xmlElementContentPtr

    typedef xmlElementContent *xmlElementContentPtr;

### enum xmlElementTypeVal

    typedef enum {
        XML_ELEMENT_TYPE_UNDEFINED = 0,
        XML_ELEMENT_TYPE_EMPTY = 1,
        XML_ELEMENT_TYPE_ANY,
        XML_ELEMENT_TYPE_MIXED,
        XML_ELEMENT_TYPE_ELEMENT
    } xmlElementTypeVal;

The different possibilities for an element content type.

### struct xmlElement

    struct xmlElement {
        void           *_private;	        /* application data */
        xmlElementType          type;       /* XML_ELEMENT_DECL, must be second ! */
        const xmlChar          *name;	/* Element name */
        struct _xmlNode    *children;	/* NULL */
        struct _xmlNode        *last;	/* NULL */
        struct _xmlDtd       *parent;	/* -> DTD */
        struct _xmlNode        *next;	/* next sibling link  */
        struct _xmlNode        *prev;	/* previous sibling link  */
        struct _xmlDoc          *doc;       /* the containing document */

        xmlElementTypeVal      etype;	/* The type */
        xmlElementContentPtr content;	/* the allowed element content */
        xmlAttributePtr   attributes;	/* List of the declared attributes */
        const xmlChar        *prefix;	/* the namespace prefix if any */
    #ifdef LIBXML_REGEXP_ENABLED
        xmlRegexpPtr       contModel;	/* the validating regexp */
    #else
        void	      *contModel;
    #endif
    };

An XML Element declaration from a DTD.

### xmlElementPtr

    typedef xmlElement *xmlElementPtr;

### XML_LOCAL_NAMESPACE

    #define XML_LOCAL_NAMESPACE XML_NAMESPACE_DECL

A namespace declaration node.

### xmlNsType

    typedef xmlElementType xmlNsType;

### struct xmlNs

    struct xmlNs {
        struct _xmlNs  *next;	/* next Ns link for this node  */
        xmlNsType      type;	/* global or local */
        const xmlChar *href;	/* URL for the namespace */
        const xmlChar *prefix;	/* prefix for the namespace */
        void           *_private;   /* application data */
    };

An XML namespace. Note that prefix == NULL is valid, it defines the default namespace within the subtree (until overridden).

xmlNsType is unified with xmlElementType.

### xmlNsPtr

    typedef xmlNs *xmlNsPtr;

### struct xmlDtd

    struct xmlDtd {
        void           *_private;	/* application data */
        xmlElementType  type;       /* XML_DTD_NODE, must be second ! */
        const xmlChar *name;	/* Name of the DTD */
        struct _xmlNode *children;	/* the value of the property link */
        struct _xmlNode *last;	/* last child link */
        struct _xmlDoc  *parent;	/* child->parent link */
        struct _xmlNode *next;	/* next sibling link  */
        struct _xmlNode *prev;	/* previous sibling link  */
        struct _xmlDoc  *doc;	/* the containing document */

        /* End of common part */
        void          *notations;   /* Hash table for notations if any */
        void          *elements;    /* Hash table for elements if any */
        void          *attributes;  /* Hash table for attributes if any */
        void          *entities;    /* Hash table for entities if any */
        const xmlChar *ExternalID;	/* External identifier for PUBLIC DTD */
        const xmlChar *SystemID;	/* URI for a SYSTEM or PUBLIC DTD */
        void          *pentities;   /* Hash table for param entities if any */
    };

An XML DTD, as defined by <!DOCTYPE ... There is actually one for the internal subset and for the external subset.

### xmlDtdPtr

    typedef xmlDtd *xmlDtdPtr;

### struct xmlAttr

    struct xmlAttr {
        void           *_private;	/* application data */
        xmlElementType   type;      /* XML_ATTRIBUTE_NODE, must be second ! */
        const xmlChar   *name;      /* the name of the property */
        struct _xmlNode *children;	/* the value of the property */
        struct _xmlNode *last;	/* NULL */
        struct _xmlNode *parent;	/* child->parent link */
        struct _xmlAttr *next;	/* next sibling link  */
        struct _xmlAttr *prev;	/* previous sibling link  */
        struct _xmlDoc  *doc;	/* the containing document */
        xmlNs           *ns;        /* pointer to the associated namespace */
        xmlAttributeType atype;     /* the attribute type if validating */
    };

An attribute on an XML node.

### xmlAttrPtr

    typedef xmlAttr *xmlAttrPtr;

### struct xmlID

    struct xmlID {
        struct _xmlID    *next;	/* next ID */
        const xmlChar    *value;	/* The ID name */
        xmlAttrPtr        attr;	/* The attribute holding it */
        const xmlChar    *name;	/* The attribute if attr is not available */
        int               lineno;	/* The line number if attr is not available */
    };

An XML ID instance.

### xmlIDPtr

    typedef xmlID *xmlIDPtr;

### struct xmlRef

    struct xmlRef {
        struct _xmlRef    *next;	/* next Ref */
        const xmlChar     *value;	/* The Ref name */
        xmlAttrPtr        attr;	/* The attribute holding it */
        const xmlChar    *name;	/* The attribute if attr is not available */
        int               lineno;	/* The line number if attr is not available */
    };

An XML IDREF instance.

### xmlRefPtr

    typedef xmlRef *xmlRefPtr;

### enum xmlBufferAllocationScheme

    typedef enum {
        XML_BUFFER_ALLOC_DOUBLEIT,
        XML_BUFFER_ALLOC_EXACT
    } xmlBufferAllocationScheme;

A buffer allocation scheme can be defined to either match exactly the need or double it's allocated size each time it is found too small.

### struct xmlBuffer

    struct xmlBuffer {
        xmlChar *content;		/* The buffer content UTF8 */
        unsigned int use;		/* The buffer size used */
        unsigned int size;		/* The buffer size */
        xmlBufferAllocationScheme alloc; /* The realloc method */
    };

A buffer structure.

### xmlBufferPtr

    typedef xmlBuffer *xmlBufferPtr;

### struct xmlNode

    struct xmlNode {
        void           *_private;	/* application data */
        xmlElementType   type;	/* type number, must be second ! */
        const xmlChar   *name;      /* the name of the node, or the entity */
        struct _xmlNode *children;	/* parent->childs link */
        struct _xmlNode *last;	/* last child link */
        struct _xmlNode *parent;	/* child->parent link */
        struct _xmlNode *next;	/* next sibling link  */
        struct _xmlNode *prev;	/* previous sibling link  */
        struct _xmlDoc  *doc;	/* the containing document */

        /* End of common part */
        xmlNs           *ns;        /* pointer to the associated namespace */
        xmlChar         *content;   /* the content */
        struct _xmlAttr *properties;/* properties list */
        xmlNs           *nsDef;     /* namespace definitions on this node */
    };

A node in an XML tree.

### xmlNodePtr

    typedef xmlNode *xmlNodePtr;

### XML_GET_CONTENT()

    #define     XML_GET_CONTENT(n)

Macro to extract the content pointer of a node.

`n` : |

### XML_GET_LINE()

    #define     XML_GET_LINE(n)

Macro to extract the line number of an element node. This will work only if line numbering is activated by calling xmlLineNumbersDefault(1) before parsing.

`n` : |

### struct xmlDoc

    struct xmlDoc {
        void           *_private;	/* application data */
        xmlElementType  type;       /* XML_DOCUMENT_NODE, must be second ! */
        char           *name;	/* name/filename/URI of the document */
        struct _xmlNode *children;	/* the document tree */
        struct _xmlNode *last;	/* last child link */
        struct _xmlNode *parent;	/* child->parent link */
        struct _xmlNode *next;	/* next sibling link  */
        struct _xmlNode *prev;	/* previous sibling link  */
        struct _xmlDoc  *doc;	/* autoreference to itself */

        /* End of common part */
        int             compression;/* level of zlib compression */
        int             standalone; /* standalone document (no external refs) */
        struct _xmlDtd  *intSubset;	/* the document internal subset */
        struct _xmlDtd  *extSubset;	/* the document external subset */
        struct _xmlNs   *oldNs;	/* Global namespace, the old way */
        const xmlChar  *version;	/* the XML version string */
        const xmlChar  *encoding;   /* external initial encoding, if any */
        void           *ids;        /* Hash table for ID attributes if any */
        void           *refs;       /* Hash table for IDREFs attributes if any */
        const xmlChar  *URL;	/* The URI for that document */
        int             charset;    /* encoding of the in-memory content
    				   actually an xmlCharEncoding */
    };

An XML document.

### xmlDocPtr

    typedef xmlDoc *xmlDocPtr;

### xmlChildrenNode

    #define xmlChildrenNode children

Macro for compatibility naming layer with libxml1.

### xmlRootNode

    #define xmlRootNode children

Macro for compatibility naming layer with libxml1.

### xmlValidateNCName ()

    int         xmlValidateNCName               (const xmlChar *value,
                                                 int space);

Check that a value conforms to the lexical space of NCName

`value` : | the value to check
`space` : | allow spaces in front and end of the string
Returns : | 0 if this validates, a positive error code number otherwise and -1 in case of internal or API error.

### xmlValidateQName ()

    int         xmlValidateQName                (const xmlChar *value,
                                                 int space);

Check that a value conforms to the lexical space of QName

`value` : | the value to check
`space` : | allow spaces in front and end of the string
Returns : | 0 if this validates, a positive error code number otherwise and -1 in case of internal or API error.

### xmlValidateName ()

    int         xmlValidateName                 (const xmlChar *value,
                                                 int space);

Check that a value conforms to the lexical space of Name

`value` : | the value to check
`space` : | allow spaces in front and end of the string
Returns : | 0 if this validates, a positive error code number otherwise and -1 in case of internal or API error.

### xmlValidateNMToken ()

    int         xmlValidateNMToken              (const xmlChar *value,
                                                 int space);

Check that a value conforms to the lexical space of NMToken

`value` : | the value to check
`space` : | allow spaces in front and end of the string
Returns : | 0 if this validates, a positive error code number otherwise and -1 in case of internal or API error.

### xmlBuildQName ()

    xmlChar*    xmlBuildQName                   (const xmlChar *ncname,
                                                 const xmlChar *prefix,
                                                 xmlChar *memory,
                                                 int len);

Builds the QName `prefix`:`ncname` in `memory` if there is enough space and prefix is not NULL nor empty, otherwise allocate a new string. If prefix is NULL or empty it returns ncname.

`ncname` : | the Name
`prefix` : | the prefix
`memory` : | preallocated memory
`len` : | preallocated memory length
Returns : | the new string which must be freed by the caller if different from `memory` and `ncname` or NULL in case of error

### xmlSplitQName2 ()

    xmlChar*    xmlSplitQName2                  (const xmlChar *name,
                                                 xmlChar **prefix);

parse an XML qualified name string

[NS 5] QName ::= (Prefix ':')? LocalPart

[NS 6] Prefix ::= NCName

[NS 7] LocalPart ::= NCName

`name` : | the full QName
`prefix` : | a xmlChar **
Returns : | NULL if not a QName, otherwise the local part, and prefix is updated to get the Prefix if any.

### xmlSplitQName3 ()

    const xmlChar* xmlSplitQName3               (const xmlChar *name,
                                                 int *len);

parse an XML qualified name string,i

`name` : | the full QName
`len` : | an int *
Returns : | NULL if it is not a Qualified Name, otherwise, update len with the lenght in byte of the prefix and return a pointer

### xmlSetBufferAllocationScheme ()

    void        xmlSetBufferAllocationScheme    (xmlBufferAllocationScheme scheme);

Set the buffer allocation method. Types are XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, improves performance

`scheme` : | allocation method to use

### xmlGetBufferAllocationScheme ()

    xmlBufferAllocationScheme xmlGetBufferAllocationScheme
                                                (void);

Types are XML_BUFFER_ALLOC_EXACT - use exact sizes, keeps memory usage down XML_BUFFER_ALLOC_DOUBLEIT - double buffer when extra needed, improves performance

Returns : | the current allocation scheme

### xmlBufferCreate ()

    xmlBufferPtr xmlBufferCreate                (void);

routine to create an XML buffer.

Returns : | the new structure.

### xmlBufferCreateSize ()

    xmlBufferPtr xmlBufferCreateSize            (size_t size);

routine to create an XML buffer.

`size` : | initial size of buffer
Returns : | the new structure.

### xmlBufferResize ()

    int         xmlBufferResize                 (xmlBufferPtr buf,
                                                 unsigned int size);

Resize a buffer to accommodate minimum size of `size`.

`buf` : | the buffer to resize
`size` : | the desired size
Returns : | 0 in case of problems, 1 otherwise

### xmlBufferFree ()

    void        xmlBufferFree                   (xmlBufferPtr buf);

Frees an XML buffer. It frees both the content and the structure which encapsulate it.

`buf` : | the buffer to free

### xmlBufferDump ()

    int         xmlBufferDump                   (FILE *file,
                                                 xmlBufferPtr buf);

Dumps an XML buffer to a FILE *.

`file` : | the file output
`buf` : | the buffer to dump
Returns : | the number of xmlChar written

### xmlBufferAdd ()

    void        xmlBufferAdd                    (xmlBufferPtr buf,
                                                 const xmlChar *str,
                                                 int len);

Add a string range to an XML buffer. if len == -1, the length of str is recomputed.

`buf` : | the buffer to dump
`str` : | the xmlChar string
`len` : | the number of xmlChar to add

### xmlBufferAddHead ()

    void        xmlBufferAddHead                (xmlBufferPtr buf,
                                                 const xmlChar *str,
                                                 int len);

Add a string range to the beginning of an XML buffer. if len == -1, the length of `str` is recomputed.

`buf` : | the buffer
`str` : | the xmlChar string
`len` : | the number of xmlChar to add

### xmlBufferCat ()

    void        xmlBufferCat                    (xmlBufferPtr buf,
                                                 const xmlChar *str);

Append a zero terminated string to an XML buffer.

`buf` : | the buffer to dump
`str` : | the xmlChar string

### xmlBufferCCat ()

    void        xmlBufferCCat                   (xmlBufferPtr buf,
                                                 const char *str);

Append a zero terminated C string to an XML buffer.

`buf` : | the buffer to dump
`str` : | the C char string

### xmlBufferShrink ()

    int         xmlBufferShrink                 (xmlBufferPtr buf,
                                                 unsigned int len);

Remove the beginning of an XML buffer.

`buf` : | the buffer to dump
`len` : | the number of xmlChar to remove
Returns : | the number of xmlChar removed, or -1 in case of failure.

### xmlBufferGrow ()

    int         xmlBufferGrow                   (xmlBufferPtr buf,
                                                 unsigned int len);

Grow the available space of an XML buffer.

`buf` : | the buffer
`len` : | the minimum free size to allocate
Returns : | the new available space or -1 in case of error

### xmlBufferEmpty ()

    void        xmlBufferEmpty                  (xmlBufferPtr buf);

empty a buffer.

`buf` : | the buffer

### xmlBufferContent ()

    const xmlChar* xmlBufferContent             (const xmlBufferPtr buf);

Function to extract the content of a buffer

`buf` : | the buffer
Returns : | the internal content

### xmlBufferSetAllocationScheme ()

    void        xmlBufferSetAllocationScheme    (xmlBufferPtr buf,
                                                 xmlBufferAllocationScheme scheme);

Sets the allocation scheme for this buffer

`buf` : | the buffer to tune
`scheme` : | allocation scheme to use

### xmlBufferLength ()

    int         xmlBufferLength                 (const xmlBufferPtr buf);

Function to get the length of a buffer

`buf` : | the buffer
Returns : | the length of data in the internal content

### xmlCreateIntSubset ()

    xmlDtdPtr   xmlCreateIntSubset              (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *ExternalID,
                                                 const xmlChar *SystemID);

Create the internal subset of a document

`doc` : | the document pointer
`name` : | the DTD name
`ExternalID` : | the external (PUBLIC) ID
`SystemID` : | the system ID
Returns : | a pointer to the new DTD structure

### xmlNewDtd ()

    xmlDtdPtr   xmlNewDtd                       (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *ExternalID,
                                                 const xmlChar *SystemID);

Creation of a new DTD for the external subset. To create an internal subset, use xmlCreateIntSubset().

`doc` : | the document pointer
`name` : | the DTD name
`ExternalID` : | the external ID
`SystemID` : | the system ID
Returns : | a pointer to the new DTD structure

### xmlGetIntSubset ()

    xmlDtdPtr   xmlGetIntSubset                 (xmlDocPtr doc);

Get the internal subset of a document

`doc` : | the document pointer
Returns : | a pointer to the DTD structure or NULL if not found

### xmlFreeDtd ()

    void        xmlFreeDtd                      (xmlDtdPtr cur);

Free a DTD structure.

`cur` : | the DTD structure to free up

### xmlNewGlobalNs ()

    xmlNsPtr    xmlNewGlobalNs                  (xmlDocPtr doc,
                                                 const xmlChar *href,
                                                 const xmlChar *prefix);

Creation of a Namespace, the old way using PI and without scoping DEPRECATED !!! It now create a namespace on the root element of the document if found.

`doc` : | the document carrying the namespace
`href` : | the URI associated
`prefix` : | the prefix for the namespace
Returns : | NULL this functionality had been removed

### xmlNewNs ()

    xmlNsPtr    xmlNewNs                        (xmlNodePtr node,
                                                 const xmlChar *href,
                                                 const xmlChar *prefix);

Creation of a new Namespace. This function will refuse to create a namespace with a similar prefix than an existing one present on this node. We use href==NULL in the case of an element creation where the namespace was not defined.

`node` : | the element carrying the namespace
`href` : | the URI associated
`prefix` : | the prefix for the namespace
Returns : | a new namespace pointer or NULL

### xmlFreeNs ()

    void        xmlFreeNs                       (xmlNsPtr cur);

Free up the structures associated to a namespace

`cur` : | the namespace pointer

### xmlFreeNsList ()

    void        xmlFreeNsList                   (xmlNsPtr cur);

Free up all the structures associated to the chained namespaces.

`cur` : | the first namespace pointer

### xmlNewDoc ()

    xmlDocPtr   xmlNewDoc                       (const xmlChar *version);

Creates a new XML document

`version` : | xmlChar string giving the version of XML "1.0"
Returns : | a new document

### xmlFreeDoc ()

    void        xmlFreeDoc                      (xmlDocPtr cur);

Free up all the structures used by a document, tree included.

`cur` : | pointer to the document

### xmlNewDocProp ()

    xmlAttrPtr  xmlNewDocProp                   (xmlDocPtr doc,
                                                 const xmlChar *name,
                                                 const xmlChar *value);

Create a new property carried by a document.

`doc` : | the document
`name` : | the name of the attribute
`value` : | the value of the attribute
Returns : | a pointer to the attribute

### xmlNewProp ()

    xmlAttrPtr  xmlNewProp                      (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *value);

Create a new property carried by a node.

`node` : | the holding node
`name` : | the name of the attribute
`value` : | the value of the attribute
Returns : | a pointer to the attribute

### xmlNewNsProp ()

    xmlAttrPtr  xmlNewNsProp                    (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *value);

Create a new property tagged with a namespace and carried by a node.

`node` : | the holding node
`ns` : | the namespace
`name` : | the name of the attribute
`value` : | the value of the attribute
Returns : | a pointer to the attribute

### xmlNewNsPropEatName ()

    xmlAttrPtr  xmlNewNsPropEatName             (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 xmlChar *name,
                                                 const xmlChar *value);

Create a new property tagged with a namespace and carried by a node.

`node` : | the holding node
`ns` : | the namespace
`name` : | the name of the attribute
`value` : | the value of the attribute
Returns : | a pointer to the attribute

### xmlFreePropList ()

    void        xmlFreePropList                 (xmlAttrPtr cur);

Free a property and all its siblings, all the children are freed too.

`cur` : | the first property in the list

### xmlFreeProp ()

    void        xmlFreeProp                     (xmlAttrPtr cur);

Free one attribute, all the content is freed too

`cur` : | an attribute

### xmlCopyProp ()

    xmlAttrPtr  xmlCopyProp                     (xmlNodePtr target,
                                                 xmlAttrPtr cur);

Do a copy of the attribute.

`target` : | the element where the attribute will be grafted
`cur` : | the attribute
Returns : | a new xmlAttrPtr, or NULL in case of error.

### xmlCopyPropList ()

    xmlAttrPtr  xmlCopyPropList                 (xmlNodePtr target,
                                                 xmlAttrPtr cur);

Do a copy of an attribute list.

`target` : | the element where the attributes will be grafted
`cur` : | the first attribute
Returns : | a new xmlAttrPtr, or NULL in case of error.

### xmlCopyDtd ()

    xmlDtdPtr   xmlCopyDtd                      (xmlDtdPtr dtd);

Do a copy of the dtd.

`dtd` : | the dtd
Returns : | a new xmlDtdPtr, or NULL in case of error.

### xmlCopyDoc ()

    xmlDocPtr   xmlCopyDoc                      (xmlDocPtr doc,
                                                 int recursive);

Do a copy of the document info. If recursive, the content tree will be copied too as well as DTD, namespaces and entities.

`doc` : | the document
`recursive` : | if 1 do a recursive copy.
Returns : | a new xmlDocPtr, or NULL in case of error.

### xmlNewDocNode ()

    xmlNodePtr  xmlNewDocNode                   (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);

Creation of a new node element within a document. `ns` and `content` are optional (NULL). NOTE: `content` is supposed to be a piece of XML CDATA, so it allow entities references, but XML special chars need to be escaped first by using xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't need entities support.

`doc` : | the document
`ns` : | namespace if any
`name` : | the node name
`content` : | the XML text content if any
Returns : | a pointer to the new node object.

### xmlNewDocNodeEatName ()

    xmlNodePtr  xmlNewDocNodeEatName            (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 xmlChar *name,
                                                 const xmlChar *content);

Creation of a new node element within a document. `ns` and `content` are optional (NULL). NOTE: `content` is supposed to be a piece of XML CDATA, so it allow entities references, but XML special chars need to be escaped first by using xmlEncodeEntitiesReentrant(). Use xmlNewDocRawNode() if you don't need entities support.

`doc` : | the document
`ns` : | namespace if any
`name` : | the node name
`content` : | the XML text content if any
Returns : | a pointer to the new node object.

### xmlNewDocRawNode ()

    xmlNodePtr  xmlNewDocRawNode                (xmlDocPtr doc,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);

Creation of a new node element within a document. `ns` and `content` are optional (NULL).

`doc` : | the document
`ns` : | namespace if any
`name` : | the node name
`content` : | the text content if any
Returns : | a pointer to the new node object.

### xmlNewNode ()

    xmlNodePtr  xmlNewNode                      (xmlNsPtr ns,
                                                 const xmlChar *name);

Creation of a new node element. `ns` is optional (NULL).

`ns` : | namespace if any
`name` : | the node name
Returns : | a pointer to the new node object.

### xmlNewNodeEatName ()

    xmlNodePtr  xmlNewNodeEatName               (xmlNsPtr ns,
                                                 xmlChar *name);

Creation of a new node element. `ns` is optional (NULL).

`ns` : | namespace if any
`name` : | the node name
Returns : | a pointer to the new node object.

### xmlNewChild ()

    xmlNodePtr  xmlNewChild                     (xmlNodePtr parent,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);

Creation of a new child element, added at the end of `parent` children list. `ns` and `content` parameters are optional (NULL). If content is non NULL, a child list containing the TEXTs and ENTITY_REFs node will be created. NOTE: `content` is supposed to be a piece of XML CDATA, so it allow entities references, but XML special chars need to be escaped first by using xmlEncodeEntitiesReentrant(). Use xmlNewTextChild() if entities support is not needed.

`parent` : | the parent node
`ns` : | a namespace if any
`name` : | the name of the child
`content` : | the XML content of the child if any.
Returns : | a pointer to the new node object.

### xmlNewTextChild ()

    xmlNodePtr  xmlNewTextChild                 (xmlNodePtr parent,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *content);

Creation of a new child element, added at the end of `parent` children list. `ns` and `content` parameters are optional (NULL). If content is non NULL, a child TEXT node will be created containing the string content.

`parent` : | the parent node
`ns` : | a namespace if any
`name` : | the name of the child
`content` : | the text content of the child if any.
Returns : | a pointer to the new node object.

### xmlNewDocText ()

    xmlNodePtr  xmlNewDocText                   (xmlDocPtr doc,
                                                 const xmlChar *content);

Creation of a new text node within a document.

`doc` : | the document
`content` : | the text content
Returns : | a pointer to the new node object.

### xmlNewText ()

    xmlNodePtr  xmlNewText                      (const xmlChar *content);

Creation of a new text node.

`content` : | the text content
Returns : | a pointer to the new node object.

### xmlNewPI ()

    xmlNodePtr  xmlNewPI                        (const xmlChar *name,
                                                 const xmlChar *content);

Creation of a processing instruction element.

`name` : | the processing instruction name
`content` : | the PI content
Returns : | a pointer to the new node object.

### xmlNewDocTextLen ()

    xmlNodePtr  xmlNewDocTextLen                (xmlDocPtr doc,
                                                 const xmlChar *content,
                                                 int len);

Creation of a new text node with an extra content length parameter. The text node pertain to a given document.

`doc` : | the document
`content` : | the text content
`len` : | the text len.
Returns : | a pointer to the new node object.

### xmlNewTextLen ()

    xmlNodePtr  xmlNewTextLen                   (const xmlChar *content,
                                                 int len);

Creation of a new text node with an extra parameter for the content's length

`content` : | the text content
`len` : | the text len.
Returns : | a pointer to the new node object.

### xmlNewDocComment ()

    xmlNodePtr  xmlNewDocComment                (xmlDocPtr doc,
                                                 const xmlChar *content);

Creation of a new node containing a comment within a document.

`doc` : | the document
`content` : | the comment content
Returns : | a pointer to the new node object.

### xmlNewComment ()

    xmlNodePtr  xmlNewComment                   (const xmlChar *content);

Creation of a new node containing a comment.

`content` : | the comment content
Returns : | a pointer to the new node object.

### xmlNewCDataBlock ()

    xmlNodePtr  xmlNewCDataBlock                (xmlDocPtr doc,
                                                 const xmlChar *content,
                                                 int len);

Creation of a new node containing a CDATA block.

`doc` : | the document
`content` : | the CDATA block content content
`len` : | the length of the block
Returns : | a pointer to the new node object.

### xmlNewCharRef ()

    xmlNodePtr  xmlNewCharRef                   (xmlDocPtr doc,
                                                 const xmlChar *name);

Creation of a new character reference node.

`doc` : | the document
`name` : | the char ref string, starting with # or "&# ... ;"
Returns : | a pointer to the new node object.

### xmlNewReference ()

    xmlNodePtr  xmlNewReference                 (xmlDocPtr doc,
                                                 const xmlChar *name);

Creation of a new reference node.

`doc` : | the document
`name` : | the reference name, or the reference string with & and ;
Returns : | a pointer to the new node object.

### xmlCopyNode ()

    xmlNodePtr  xmlCopyNode                     (const xmlNodePtr node,
                                                 int recursive);

Do a copy of the node.

`node` : | the node
`recursive` : | if 1 do a recursive copy.
Returns : | a new xmlNodePtr, or NULL in case of error.

### xmlDocCopyNode ()

    xmlNodePtr  xmlDocCopyNode                  (const xmlNodePtr node,
                                                 xmlDocPtr doc,
                                                 int recursive);

Do a copy of the node to a given document.

`node` : | the node
`doc` : | the document
`recursive` : | if 1 do a recursive copy.
Returns : | a new xmlNodePtr, or NULL in case of error.

### xmlCopyNodeList ()

    xmlNodePtr  xmlCopyNodeList                 (const xmlNodePtr node);

Do a recursive copy of the node list.

`node` : | the first node in the list.
Returns : | a new xmlNodePtr, or NULL in case of error.

### xmlNewDocFragment ()

    xmlNodePtr  xmlNewDocFragment               (xmlDocPtr doc);

Creation of a new Fragment node.

`doc` : | the document owning the fragment
Returns : | a pointer to the new node object.

### xmlGetLineNo ()

    long        xmlGetLineNo                    (xmlNodePtr node);

Get line number of node. this requires activation of this option before invoking the parser by calling xmlLineNumbersDefault(1)

`node` : | valid node
Returns : | the line number if successful, -1 otherwise

### xmlGetNodePath ()

    xmlChar*    xmlGetNodePath                  (xmlNodePtr node);

Build a structure based Path for the given node

`node` : | a node
Returns : | the new path or NULL in case of error. The caller must free the returned string

### xmlDocGetRootElement ()

    xmlNodePtr  xmlDocGetRootElement            (xmlDocPtr doc);

Get the root element of the document (doc->children is a list containing possibly comments, PIs, etc ...).

`doc` : | the document
Returns : | the xmlNodePtr for the root or NULL

### xmlGetLastChild ()

    xmlNodePtr  xmlGetLastChild                 (xmlNodePtr parent);

Search the last child of a node.

`parent` : | the parent node
Returns : | the last child or NULL if none.

### xmlNodeIsText ()

    int         xmlNodeIsText                   (xmlNodePtr node);

Is this node a Text node ?

`node` : | the node
Returns : | 1 yes, 0 no

### xmlIsBlankNode ()

    int         xmlIsBlankNode                  (xmlNodePtr node);

Checks whether this node is an empty or whitespace only (and possibly ignorable) text-node.

`node` : | the node
Returns : | 1 yes, 0 no

### xmlDocSetRootElement ()

    xmlNodePtr  xmlDocSetRootElement            (xmlDocPtr doc,
                                                 xmlNodePtr root);

Set the root element of the document (doc->children is a list containing possibly comments, PIs, etc ...).

`doc` : | the document
`root` : | the new document root element
Returns : | the old root element if any was found

### xmlNodeSetName ()

    void        xmlNodeSetName                  (xmlNodePtr cur,
                                                 const xmlChar *name);

Set (or reset) the name of a node.

`cur` : | the node being changed
`name` : | the new tag name

### xmlAddChild ()

    xmlNodePtr  xmlAddChild                     (xmlNodePtr parent,
                                                 xmlNodePtr cur);

Add a new node to `parent`, at the end of the child (or property) list merging adjacent TEXT nodes (in which case `cur` is freed) If the new node is ATTRIBUTE, it is added into properties instead of children. If there is an attribute with equal name, it is first destroyed.

`parent` : | the parent node
`cur` : | the child node
Returns : | the child or NULL in case of error.

### xmlAddChildList ()

    xmlNodePtr  xmlAddChildList                 (xmlNodePtr parent,
                                                 xmlNodePtr cur);

Add a list of node at the end of the child list of the parent merging adjacent TEXT nodes (`cur` may be freed)

`parent` : | the parent node
`cur` : | the first node in the list
Returns : | the last child or NULL in case of error.

### xmlReplaceNode ()

    xmlNodePtr  xmlReplaceNode                  (xmlNodePtr old,
                                                 xmlNodePtr cur);

Unlink the old node from it's current context, prune the new one at the same place. If `cur` was already inserted in a document it is first unlinked from its existing context.

`old` : | the old node
`cur` : | the node
Returns : | the `old` node

### xmlAddSibling ()

    xmlNodePtr  xmlAddSibling                   (xmlNodePtr cur,
                                                 xmlNodePtr elem);

Add a new element `elem` to the list of siblings of `cur` merging adjacent TEXT nodes (`elem` may be freed) If the new element was already inserted in a document it is first unlinked from its existing context.

`cur` : | the child node
`elem` : | the new node
Returns : | the new element or NULL in case of error.

### xmlAddPrevSibling ()

    xmlNodePtr  xmlAddPrevSibling               (xmlNodePtr cur,
                                                 xmlNodePtr elem);

Add a new node `elem` as the previous sibling of `cur` merging adjacent TEXT nodes (`elem` may be freed) If the new node was already inserted in a document it is first unlinked from its existing context. If the new node is ATTRIBUTE, it is added into properties instead of children. If there is an attribute with equal name, it is first destroyed.

`cur` : | the child node
`elem` : | the new node
Returns : | the new node or NULL in case of error.

### xmlAddNextSibling ()

    xmlNodePtr  xmlAddNextSibling               (xmlNodePtr cur,
                                                 xmlNodePtr elem);

Add a new node `elem` as the next sibling of `cur` If the new node was already inserted in a document it is first unlinked from its existing context. As a result of text merging `elem` may be freed. If the new node is ATTRIBUTE, it is added into properties instead of children. If there is an attribute with equal name, it is first destroyed.

`cur` : | the child node
`elem` : | the new node
Returns : | the new node or NULL in case of error.

### xmlUnlinkNode ()

    void        xmlUnlinkNode                   (xmlNodePtr cur);

Unlink a node from it's current context, the node is not freed

`cur` : | the node

### xmlTextMerge ()

    xmlNodePtr  xmlTextMerge                    (xmlNodePtr first,
                                                 xmlNodePtr second);

Merge two text nodes into one

`first` : | the first text node
`second` : | the second text node being merged
Returns : | the first text node augmented

### xmlTextConcat ()

    int         xmlTextConcat                   (xmlNodePtr node,
                                                 const xmlChar *content,
                                                 int len);

Concat the given string at the end of the existing node content

`node` : | the node
`content` : | the content
`len` : | `content` length
Returns : | -1 in case of error, 0 otherwise

### xmlFreeNodeList ()

    void        xmlFreeNodeList                 (xmlNodePtr cur);

Free a node and all its siblings, this is a recursive behaviour, all the children are freed too.

`cur` : | the first node in the list

### xmlFreeNode ()

    void        xmlFreeNode                     (xmlNodePtr cur);

Free a node, this is a recursive behaviour, all the children are freed too. This doesn't unlink the child from the list, use xmlUnlinkNode() first.

`cur` : | the node

### xmlSetTreeDoc ()

    void        xmlSetTreeDoc                   (xmlNodePtr tree,
                                                 xmlDocPtr doc);

update all nodes under the tree to point to the right document

`tree` : | the top element
`doc` : | the document

### xmlSetListDoc ()

    void        xmlSetListDoc                   (xmlNodePtr list,
                                                 xmlDocPtr doc);

update all nodes in the list to point to the right document

`list` : | the first element
`doc` : | the document

### xmlSearchNs ()

    xmlNsPtr    xmlSearchNs                     (xmlDocPtr doc,
                                                 xmlNodePtr node,
                                                 const xmlChar *nameSpace);

Search a Ns registered under a given name space for a document. recurse on the parents until it finds the defined namespace or return NULL otherwise. `nameSpace` can be NULL, this is a search for the default namespace. We don't allow to cross entities boundaries. If you don't declare the namespace within those you will be in troubles !!! A warning is generated to cover this case.

`doc` : | the document
`node` : | the current node
`nameSpace` : | the namespace prefix
Returns : | the namespace pointer or NULL.

### xmlSearchNsByHref ()

    xmlNsPtr    xmlSearchNsByHref               (xmlDocPtr doc,
                                                 xmlNodePtr node,
                                                 const xmlChar *href);

Search a Ns aliasing a given URI. Recurse on the parents until it finds the defined namespace or return NULL otherwise.

`doc` : | the document
`node` : | the current node
`href` : | the namespace value
Returns : | the namespace pointer or NULL.

### xmlGetNsList ()

    xmlNsPtr*   xmlGetNsList                    (xmlDocPtr doc,
                                                 xmlNodePtr node);

Search all the namespace applying to a given element.

`doc` : | the document
`node` : | the current node
Returns : | an NULL terminated array of all the xmlNsPtr found that need to be freed by the caller or NULL if no namespace if defined

### xmlSetNs ()

    void        xmlSetNs                        (xmlNodePtr node,
                                                 xmlNsPtr ns);

Associate a namespace to a node, a posteriori.

`node` : | a node in the document
`ns` : | a namespace pointer

### xmlCopyNamespace ()

    xmlNsPtr    xmlCopyNamespace                (xmlNsPtr cur);

Do a copy of the namespace.

`cur` : | the namespace
Returns : | a new xmlNsPtr, or NULL in case of error.

### xmlCopyNamespaceList ()

    xmlNsPtr    xmlCopyNamespaceList            (xmlNsPtr cur);

Do a copy of an namespace list.

`cur` : | the first namespace
Returns : | a new xmlNsPtr, or NULL in case of error.

### xmlSetProp ()

    xmlAttrPtr  xmlSetProp                      (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *value);

Set (or reset) an attribute carried by a node.

`node` : | the node
`name` : | the attribute name
`value` : | the attribute value
Returns : | the attribute pointer.

### xmlGetProp ()

    xmlChar*    xmlGetProp                      (xmlNodePtr node,
                                                 const xmlChar *name);

Search and get the value of an attribute associated to a node This does the entity substitution. This function looks in DTD attribute declaration for FIXED or default declaration values unless DTD use has been turned off. NOTE: this function acts independently of namespaces associated to the attribute. Use xmlGetNsProp() or xmlGetNoNsProp() for namespace aware processing.

`node` : | the node
`name` : | the attribute name
Returns : | the attribute value or NULL if not found. It's up to the caller to free the memory with xmlFree().

### xmlGetNoNsProp ()

    xmlChar*    xmlGetNoNsProp                  (xmlNodePtr node,
                                                 const xmlChar *name);

Search and get the value of an attribute associated to a node This does the entity substitution. This function looks in DTD attribute declaration for FIXED or default declaration values unless DTD use has been turned off. This function is similar to xmlGetProp except it will accept only an attribute in no namespace.

`node` : | the node
`name` : | the attribute name
Returns : | the attribute value or NULL if not found. It's up to the caller to free the memory with xmlFree().

### xmlHasProp ()

    xmlAttrPtr  xmlHasProp                      (xmlNodePtr node,
                                                 const xmlChar *name);

Search an attribute associated to a node This function also looks in DTD attribute declaration for FIXED or default declaration values unless DTD use has been turned off.

`node` : | the node
`name` : | the attribute name
Returns : | the attribute or the attribute declaration or NULL if neither was found.

### xmlHasNsProp ()

    xmlAttrPtr  xmlHasNsProp                    (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *nameSpace);

Search for an attribute associated to a node This attribute has to be anchored in the namespace specified. This does the entity substitution. This function looks in DTD attribute declaration for FIXED or default declaration values unless DTD use has been turned off.

`node` : | the node
`name` : | the attribute name
`nameSpace` : | the URI of the namespace
Returns : | the attribute or the attribute declaration or NULL if neither was found.

### xmlSetNsProp ()

    xmlAttrPtr  xmlSetNsProp                    (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name,
                                                 const xmlChar *value);

Set (or reset) an attribute carried by a node. The ns structure must be in scope, this is not checked.

`node` : | the node
`ns` : | the namespace definition
`name` : | the attribute name
`value` : | the attribute value
Returns : | the attribute pointer.

### xmlGetNsProp ()

    xmlChar*    xmlGetNsProp                    (xmlNodePtr node,
                                                 const xmlChar *name,
                                                 const xmlChar *nameSpace);

Search and get the value of an attribute associated to a node This attribute has to be anchored in the namespace specified. This does the entity substitution. This function looks in DTD attribute declaration for FIXED or default declaration values unless DTD use has been turned off.

`node` : | the node
`name` : | the attribute name
`nameSpace` : | the URI of the namespace
Returns : | the attribute value or NULL if not found. It's up to the caller to free the memory with xmlFree().

### xmlStringGetNodeList ()

    xmlNodePtr  xmlStringGetNodeList            (xmlDocPtr doc,
                                                 const xmlChar *value);

Parse the value string and build the node list associated. Should produce a flat tree with only TEXTs and ENTITY_REFs.

`doc` : | the document
`value` : | the value of the attribute
Returns : | a pointer to the first child

### xmlStringLenGetNodeList ()

    xmlNodePtr  xmlStringLenGetNodeList         (xmlDocPtr doc,
                                                 const xmlChar *value,
                                                 int len);

Parse the value string and build the node list associated. Should produce a flat tree with only TEXTs and ENTITY_REFs.

`doc` : | the document
`value` : | the value of the text
`len` : | the length of the string value
Returns : | a pointer to the first child

### xmlNodeListGetString ()

    xmlChar*    xmlNodeListGetString            (xmlDocPtr doc,
                                                 xmlNodePtr list,
                                                 int inLine);

Build the string equivalent to the text contained in the Node list made of TEXTs and ENTITY_REFs

`doc` : | the document
`list` : | a Node list
`inLine` : | should we replace entity contents or show their external form
Returns : | a pointer to the string copy, the caller must free it with xmlFree().

### xmlNodeListGetRawString ()

    xmlChar*    xmlNodeListGetRawString         (xmlDocPtr doc,
                                                 xmlNodePtr list,
                                                 int inLine);

Builds the string equivalent to the text contained in the Node list made of TEXTs and ENTITY_REFs, contrary to xmlNodeListGetString() this function doesn't do any character encoding handling.

`doc` : | the document
`list` : | a Node list
`inLine` : | should we replace entity contents or show their external form
Returns : | a pointer to the string copy, the caller must free it with xmlFree().

### xmlNodeSetContent ()

    void        xmlNodeSetContent               (xmlNodePtr cur,
                                                 const xmlChar *content);

Replace the content of a node.

`cur` : | the node being modified
`content` : | the new value of the content

### xmlNodeSetContentLen ()

    void        xmlNodeSetContentLen            (xmlNodePtr cur,
                                                 const xmlChar *content,
                                                 int len);

Replace the content of a node.

`cur` : | the node being modified
`content` : | the new value of the content
`len` : | the size of `content`

### xmlNodeAddContent ()

    void        xmlNodeAddContent               (xmlNodePtr cur,
                                                 const xmlChar *content);

Append the extra substring to the node content.

`cur` : | the node being modified
`content` : | extra content

### xmlNodeAddContentLen ()

    void        xmlNodeAddContentLen            (xmlNodePtr cur,
                                                 const xmlChar *content,
                                                 int len);

Append the extra substring to the node content.

`cur` : | the node being modified
`content` : | extra content
`len` : | the size of `content`

### xmlNodeGetContent ()

    xmlChar*    xmlNodeGetContent               (xmlNodePtr cur);

Read the value of a node, this can be either the text carried directly by this node if it's a TEXT node or the aggregate string of the values carried by this node child's (TEXT and ENTITY_REF). Entity references are substituted.

`cur` : | the node being read
Returns : | a new xmlChar * or NULL if no content is available. It's up to the caller to free the memory with xmlFree().

### xmlNodeGetLang ()

    xmlChar*    xmlNodeGetLang                  (xmlNodePtr cur);

Searches the language of a node, i.e. the values of the xml:lang attribute or the one carried by the nearest ancestor.

`cur` : | the node being checked
Returns : | a pointer to the lang value, or NULL if not found It's up to the caller to free the memory with xmlFree().

### xmlNodeSetLang ()

    void        xmlNodeSetLang                  (xmlNodePtr cur,
                                                 const xmlChar *lang);

Set the language of a node, i.e. the values of the xml:lang attribute.

`cur` : | the node being changed
`lang` : | the language description

### xmlNodeGetSpacePreserve ()

    int         xmlNodeGetSpacePreserve         (xmlNodePtr cur);

Searches the space preserving behaviour of a node, i.e. the values of the xml:space attribute or the one carried by the nearest ancestor.

`cur` : | the node being checked
Returns : | -1 if xml:space is not inherited, 0 if "default", 1 if "preserve"

### xmlNodeSetSpacePreserve ()

    void        xmlNodeSetSpacePreserve         (xmlNodePtr cur,
                                                 int val);

Set (or reset) the space preserving behaviour of a node, i.e. the value of the xml:space attribute.

`cur` : | the node being changed
`val` : | the xml:space value ("0": default, 1: "preserve")

### xmlNodeGetBase ()

    xmlChar*    xmlNodeGetBase                  (xmlDocPtr doc,
                                                 xmlNodePtr cur);

Searches for the BASE URL. The code should work on both XML and HTML document even if base mechanisms are completely different. It returns the base as defined in RFC 2396 sections 5.1.1. Base URI within Document Content and 5.1.2. Base URI from the Encapsulating Entity However it does not return the document base (5.1.3), use xmlDocumentGetBase() for this

`doc` : | the document the node pertains to
`cur` : | the node being checked
Returns : | a pointer to the base URL, or NULL if not found It's up to the caller to free the memory with xmlFree().

### xmlNodeSetBase ()

    void        xmlNodeSetBase                  (xmlNodePtr cur,
                                                 xmlChar *uri);

Set (or reset) the base URI of a node, i.e. the value of the xml:base attribute.

`cur` : | the node being changed
`uri` : | the new base URI

### xmlRemoveProp ()

    int         xmlRemoveProp                   (xmlAttrPtr cur);

Unlink and free one attribute, all the content is freed too Note this doesn't work for namespace definition attributes

`cur` : | an attribute
Returns : | 0 if success and -1 in case of error.

### xmlUnsetProp ()

    int         xmlUnsetProp                    (xmlNodePtr node,
                                                 const xmlChar *name);

Remove an attribute carried by a node.

`node` : | the node
`name` : | the attribute name
Returns : | 0 if successful, -1 if not found

### xmlUnsetNsProp ()

    int         xmlUnsetNsProp                  (xmlNodePtr node,
                                                 xmlNsPtr ns,
                                                 const xmlChar *name);

Remove an attribute carried by a node.

`node` : | the node
`ns` : | the namespace definition
`name` : | the attribute name
Returns : | 0 if successful, -1 if not found

### xmlBufferWriteCHAR ()

    void        xmlBufferWriteCHAR              (xmlBufferPtr buf,
                                                 const xmlChar *string);

routine which manages and grows an output buffer. This one adds xmlChars at the end of the buffer.

`buf` : | the XML buffer
`string` : | the string to add

### xmlBufferWriteChar ()

    void        xmlBufferWriteChar              (xmlBufferPtr buf,
                                                 const char *string);

routine which manage and grows an output buffer. This one add C chars at the end of the array.

`buf` : | the XML buffer output
`string` : | the string to add

### xmlBufferWriteQuotedString ()

    void        xmlBufferWriteQuotedString      (xmlBufferPtr buf,
                                                 const xmlChar *string);

routine which manage and grows an output buffer. This one writes a quoted or double quoted xmlChar string, checking first if it holds quote or double-quotes internally

`buf` : | the XML buffer output
`string` : | the string to add

### xmlReconciliateNs ()

    int         xmlReconciliateNs               (xmlDocPtr doc,
                                                 xmlNodePtr tree);

This function checks that all the namespaces declared within the given tree are properly declared. This is needed for example after Copy or Cut and then paste operations. The subtree may still hold pointers to namespace declarations outside the subtree or invalid/masked. As much as possible the function try to reuse the existing namespaces found in the new environment. If not possible the new namespaces are redeclared on `tree` at the top of the given subtree.

`doc` : | the document
`tree` : | a node defining the subtree to reconciliate
Returns : | the number of namespace declarations created or -1 in case of error.

### xmlDocDumpFormatMemory ()

    void        xmlDocDumpFormatMemory          (xmlDocPtr cur,
                                                 xmlChar **mem,
                                                 int *size,
                                                 int format);

Dump an XML document in memory and return the xmlChar * and it's size. It's up to the caller to free the memory with xmlFree(). Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

`cur` : | the document
`mem` : | OUT: the memory pointer
`size` : | OUT: the memory length
`format` : | should formatting spaces been added

### xmlDocDumpMemory ()

    void        xmlDocDumpMemory                (xmlDocPtr cur,
                                                 xmlChar **mem,
                                                 int *size);

Dump an XML document in memory and return the xmlChar * and it's size. It's up to the caller to free the memory with xmlFree().

`cur` : | the document
`mem` : | OUT: the memory pointer
`size` : | OUT: the memory length

### xmlDocDumpMemoryEnc ()

    void        xmlDocDumpMemoryEnc             (xmlDocPtr out_doc,
                                                 xmlChar **doc_txt_ptr,
                                                 int *doc_txt_len,
                                                 const char *txt_encoding);

Dump the current DOM tree into memory using the character encoding specified by the caller. Note it is up to the caller of this function to free the allocated memory with xmlFree().

`out_doc` : | Document to generate XML text from
`doc_txt_ptr` : | Memory pointer for allocated XML text
`doc_txt_len` : | Length of the generated XML text
`txt_encoding` : | Character encoding to use when generating XML text

### xmlDocDumpFormatMemoryEnc ()

    void        xmlDocDumpFormatMemoryEnc       (xmlDocPtr out_doc,
                                                 xmlChar **doc_txt_ptr,
                                                 int *doc_txt_len,
                                                 const char *txt_encoding,
                                                 int format);

Dump the current DOM tree into memory using the character encoding specified by the caller. Note it is up to the caller of this function to free the allocated memory with xmlFree(). Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

`out_doc` : | Document to generate XML text from
`doc_txt_ptr` : | Memory pointer for allocated XML text
`doc_txt_len` : | Length of the generated XML text
`txt_encoding` : | Character encoding to use when generating XML text
`format` : | should formatting spaces been added

### xmlDocFormatDump ()

    int         xmlDocFormatDump                (FILE *f,
                                                 xmlDocPtr cur,
                                                 int format);

Dump an XML document to an open FILE.

`f` : | the FILE*
`cur` : | the document
`format` : | should formatting spaces been added
Returns : | the number of bytes written or -1 in case of failure. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

### xmlDocDump ()

    int         xmlDocDump                      (FILE *f,
                                                 xmlDocPtr cur);

Dump an XML document to an open FILE.

`f` : | the FILE*
`cur` : | the document
Returns : | the number of bytes written or -1 in case of failure.

### xmlElemDump ()

    void        xmlElemDump                     (FILE *f,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur);

Dump an XML/HTML node, recursive behaviour, children are printed too.

`f` : | the FILE * for the output
`doc` : | the document
`cur` : | the current node

### xmlSaveFile ()

    int         xmlSaveFile                     (const char *filename,
                                                 xmlDocPtr cur);

Dump an XML document to a file. Will use compression if compiled in and enabled. If `filename` is "-" the stdout file is used.

`filename` : | the filename (or URL)
`cur` : | the document
Returns : | the number of bytes written or -1 in case of failure.

### xmlSaveFormatFile ()

    int         xmlSaveFormatFile               (const char *filename,
                                                 xmlDocPtr cur,
                                                 int format);

Dump an XML document to a file. Will use compression if compiled in and enabled. If `filename` is "-" the stdout file is used. If `format` is set then the document will be indented on output. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

`filename` : | the filename (or URL)
`cur` : | the document
`format` : | should formatting spaces been added
Returns : | the number of bytes written or -1 in case of failure.

### xmlNodeDump ()

    int         xmlNodeDump                     (xmlBufferPtr buf,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur,
                                                 int level,
                                                 int format);

Dump an XML node, recursive behaviour,children are printed too. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

`buf` : | the XML buffer output
`doc` : | the document
`cur` : | the current node
`level` : | the imbrication level for indenting
`format` : | is formatting allowed
Returns : | the number of bytes written to the buffer or -1 in case of error

### xmlSaveFileTo ()

    int         xmlSaveFileTo                   (xmlOutputBufferPtr buf,
                                                 xmlDocPtr cur,
                                                 const char *encoding);

Dump an XML document to an I/O buffer.

`buf` : | an output I/O buffer
`cur` : | the document
`encoding` : | the encoding if any assuming the I/O layer handles the trancoding
Returns : | the number of bytes written or -1 in case of failure.

### xmlSaveFormatFileTo ()

    int         xmlSaveFormatFileTo             (xmlOutputBufferPtr buf,
                                                 xmlDocPtr cur,
                                                 const char *encoding,
                                                 int format);

Dump an XML document to an I/O buffer.

`buf` : | an output I/O buffer
`cur` : | the document
`encoding` : | the encoding if any assuming the I/O layer handles the trancoding
`format` : | should formatting spaces been added
Returns : | the number of bytes written or -1 in case of failure. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

### xmlNodeDumpOutput ()

    void        xmlNodeDumpOutput               (xmlOutputBufferPtr buf,
                                                 xmlDocPtr doc,
                                                 xmlNodePtr cur,
                                                 int level,
                                                 int format,
                                                 const char *encoding);

Dump an XML node, recursive behaviour, children are printed too. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

`buf` : | the XML buffer output
`doc` : | the document
`cur` : | the current node
`level` : | the imbrication level for indenting
`format` : | is formatting allowed
`encoding` : | an optional encoding string

### xmlSaveFormatFileEnc ()

    int         xmlSaveFormatFileEnc            (const char *filename,
                                                 xmlDocPtr cur,
                                                 const char *encoding,
                                                 int format);

Dump an XML document to a file or an URL.

`filename` : | the filename or URL to output
`cur` : | the document being saved
`encoding` : | the name of the encoding to use or NULL.
`format` : | should formatting spaces be added.
Returns : | the number of bytes written or -1 in case of error. Note that `format` = 1 provide node indenting only if xmlIndentTreeOutput = 1 or xmlKeepBlanksDefault(0) was called

### xmlSaveFileEnc ()

    int         xmlSaveFileEnc                  (const char *filename,
                                                 xmlDocPtr cur,
                                                 const char *encoding);

Dump an XML document, converting it to the given encoding

`filename` : | the filename (or URL)
`cur` : | the document
`encoding` : | the name of an encoding (or NULL)
Returns : | the number of bytes written or -1 in case of failure.

### xmlIsXHTML ()

    int         xmlIsXHTML                      (const xmlChar *systemID,
                                                 const xmlChar *publicID);

Try to find if the document correspond to an XHTML DTD

`systemID` : | the system identifier
`publicID` : | the public identifier
Returns : | 1 if true, 0 if not and -1 in case of error

### xmlGetDocCompressMode ()

    int         xmlGetDocCompressMode           (xmlDocPtr doc);

get the compression ratio for a document, ZLIB based

`doc` : | the document
Returns : | 0 (uncompressed) to 9 (max compression)

### xmlSetDocCompressMode ()

    void        xmlSetDocCompressMode           (xmlDocPtr doc,
                                                 int mode);

set the compression ratio for a document, ZLIB based Correct values: 0 (uncompressed) to 9 (max compression)

`doc` : | the document
`mode` : | the compression ratio

### xmlGetCompressMode ()

    int         xmlGetCompressMode              (void);

get the default compression mode used, ZLIB based.

Returns : | 0 (uncompressed) to 9 (max compression)

### xmlSetCompressMode ()

    void        xmlSetCompressMode              (int mode);

set the default compression mode used, ZLIB based Correct values: 0 (uncompressed) to 9 (max compression)

`mode` : | the compression ratio