entities.c

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/*
 * entities.c : implementation for the XML entities handling
 *
 * See Copyright for the status of this software.
 *
 * daniel@veillard.com
 */

#define IN_LIBXML
#include "libxml.h"

#include <string.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <libxml/xmlmemory.h>
#include <libxml/hash.h>
#include <libxml/entities.h>
#include <libxml/parser.h>
#include <libxml/parserInternals.h>
#include <libxml/xmlerror.h>
#include <libxml/globals.h>
#include <libxml/dict.h>

/*
 * The XML predefined entities.
 */

static xmlEntity xmlEntityLt = {
    NULL, XML_ENTITY_DECL, BAD_CAST "lt",
    NULL, NULL, NULL, NULL, NULL, NULL, 
    BAD_CAST "<", BAD_CAST "<", 1,
    XML_INTERNAL_PREDEFINED_ENTITY,
    NULL, NULL, NULL, NULL, 0, 1
};
static xmlEntity xmlEntityGt = {
    NULL, XML_ENTITY_DECL, BAD_CAST "gt",
    NULL, NULL, NULL, NULL, NULL, NULL, 
    BAD_CAST ">", BAD_CAST ">", 1,
    XML_INTERNAL_PREDEFINED_ENTITY,
    NULL, NULL, NULL, NULL, 0, 1
};
static xmlEntity xmlEntityAmp = {
    NULL, XML_ENTITY_DECL, BAD_CAST "amp",
    NULL, NULL, NULL, NULL, NULL, NULL, 
    BAD_CAST "&", BAD_CAST "&", 1,
    XML_INTERNAL_PREDEFINED_ENTITY,
    NULL, NULL, NULL, NULL, 0, 1
};
static xmlEntity xmlEntityQuot = {
    NULL, XML_ENTITY_DECL, BAD_CAST "quot",
    NULL, NULL, NULL, NULL, NULL, NULL, 
    BAD_CAST "\"", BAD_CAST "\"", 1,
    XML_INTERNAL_PREDEFINED_ENTITY,
    NULL, NULL, NULL, NULL, 0, 1
};
static xmlEntity xmlEntityApos = {
    NULL, XML_ENTITY_DECL, BAD_CAST "apos",
    NULL, NULL, NULL, NULL, NULL, NULL, 
    BAD_CAST "'", BAD_CAST "'", 1,
    XML_INTERNAL_PREDEFINED_ENTITY,
    NULL, NULL, NULL, NULL, 0, 1
};

static void
xmlEntitiesErrMemory(const char *extra)
{
    __xmlSimpleError(XML_FROM_TREE, XML_ERR_NO_MEMORY, NULL, NULL, extra);
}

static void
xmlEntitiesErr(xmlParserErrors code, const char *msg)
{
    __xmlSimpleError(XML_FROM_TREE, code, NULL, msg, NULL);
}

/*
 * xmlFreeEntity : clean-up an entity record.
 */
static void
xmlFreeEntity(xmlEntityPtr entity)
{
    xmlDictPtr dict = NULL;

    if (entity == NULL)
        return;

    if (entity->doc != NULL)
        dict = entity->doc->dict;


    if ((entity->children) && (entity->owner == 1) &&
        (entity == (xmlEntityPtr) entity->children->parent))
        xmlFreeNodeList(entity->children);
    if (dict != NULL) {
        if ((entity->name != NULL) && (!xmlDictOwns(dict, entity->name)))
            xmlFree((char *) entity->name);
        if ((entity->ExternalID != NULL) &&
        (!xmlDictOwns(dict, entity->ExternalID)))
            xmlFree((char *) entity->ExternalID);
        if ((entity->SystemID != NULL) &&
        (!xmlDictOwns(dict, entity->SystemID)))
            xmlFree((char *) entity->SystemID);
        if ((entity->URI != NULL) && (!xmlDictOwns(dict, entity->URI)))
            xmlFree((char *) entity->URI);
        if ((entity->content != NULL)
            && (!xmlDictOwns(dict, entity->content)))
            xmlFree((char *) entity->content);
        if ((entity->orig != NULL) && (!xmlDictOwns(dict, entity->orig)))
            xmlFree((char *) entity->orig);
    } else {
        if (entity->name != NULL)
            xmlFree((char *) entity->name);
        if (entity->ExternalID != NULL)
            xmlFree((char *) entity->ExternalID);
        if (entity->SystemID != NULL)
            xmlFree((char *) entity->SystemID);
        if (entity->URI != NULL)
            xmlFree((char *) entity->URI);
        if (entity->content != NULL)
            xmlFree((char *) entity->content);
        if (entity->orig != NULL)
            xmlFree((char *) entity->orig);
    }
    xmlFree(entity);
}

/*
 * xmlCreateEntity:
 *
 * internal routine doing the entity node strutures allocations
 */
static xmlEntityPtr
xmlCreateEntity(xmlDictPtr dict, const xmlChar *name, int type,
            const xmlChar *ExternalID, const xmlChar *SystemID,
            const xmlChar *content) {
    xmlEntityPtr ret;

    ret = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity));
    if (ret == NULL) {
        xmlEntitiesErrMemory("xmlCreateEntity: malloc failed");
    return(NULL);
    }
    memset(ret, 0, sizeof(xmlEntity));
    ret->type = XML_ENTITY_DECL;
    ret->checked = 0;

    /*
     * fill the structure.
     */
    ret->etype = (xmlEntityType) type;
    if (dict == NULL) {
    ret->name = xmlStrdup(name);
    if (ExternalID != NULL)
        ret->ExternalID = xmlStrdup(ExternalID);
    if (SystemID != NULL)
        ret->SystemID = xmlStrdup(SystemID);
    } else {
        ret->name = xmlDictLookup(dict, name, -1);
    if (ExternalID != NULL)
        ret->ExternalID = xmlDictLookup(dict, ExternalID, -1);
    if (SystemID != NULL)
        ret->SystemID = xmlDictLookup(dict, SystemID, -1);
    }
    if (content != NULL) {
        ret->length = xmlStrlen(content);
    if ((dict != NULL) && (ret->length < 5))
        ret->content = (xmlChar *)
                       xmlDictLookup(dict, content, ret->length);
    else
        ret->content = xmlStrndup(content, ret->length);
     } else {
        ret->length = 0;
        ret->content = NULL;
    }
    ret->URI = NULL; /* to be computed by the layer knowing
            the defining entity */
    ret->orig = NULL;
    ret->owner = 0;

    return(ret);
}

/*
 * xmlAddEntity : register a new entity for an entities table.
 */
static xmlEntityPtr
xmlAddEntity(xmlDtdPtr dtd, const xmlChar *name, int type,
      const xmlChar *ExternalID, const xmlChar *SystemID,
      const xmlChar *content) {
    xmlDictPtr dict = NULL;
    xmlEntitiesTablePtr table = NULL;
    xmlEntityPtr ret;

    if (name == NULL)
    return(NULL);
    if (dtd == NULL)
    return(NULL);
    if (dtd->doc != NULL)
        dict = dtd->doc->dict;

    switch (type) {
        case XML_INTERNAL_GENERAL_ENTITY:
        case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
        case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
        if (dtd->entities == NULL)
        dtd->entities = xmlHashCreateDict(0, dict);
        table = dtd->entities;
        break;
        case XML_INTERNAL_PARAMETER_ENTITY:
        case XML_EXTERNAL_PARAMETER_ENTITY:
        if (dtd->pentities == NULL)
        dtd->pentities = xmlHashCreateDict(0, dict);
        table = dtd->pentities;
        break;
        case XML_INTERNAL_PREDEFINED_ENTITY:
        return(NULL);
    }
    if (table == NULL)
    return(NULL);
    ret = xmlCreateEntity(dict, name, type, ExternalID, SystemID, content);
    if (ret == NULL)
        return(NULL);
    ret->doc = dtd->doc;

    if (xmlHashAddEntry(table, name, ret)) {
    /*
     * entity was already defined at another level.
     */
        xmlFreeEntity(ret);
    return(NULL);
    }
    return(ret);
}

xmlEntityPtr
xmlGetPredefinedEntity(const xmlChar *name) {
    if (name == NULL) return(NULL);
    switch (name[0]) {
        case 'l':
        if (xmlStrEqual(name, BAD_CAST "lt"))
            return(&xmlEntityLt);
        break;
        case 'g':
        if (xmlStrEqual(name, BAD_CAST "gt"))
            return(&xmlEntityGt);
        break;
        case 'a':
        if (xmlStrEqual(name, BAD_CAST "amp"))
            return(&xmlEntityAmp);
        if (xmlStrEqual(name, BAD_CAST "apos"))
            return(&xmlEntityApos);
        break;
        case 'q':
        if (xmlStrEqual(name, BAD_CAST "quot"))
            return(&xmlEntityQuot);
        break;
    default:
        break;
    }
    return(NULL);
}

xmlEntityPtr
xmlAddDtdEntity(xmlDocPtr doc, const xmlChar *name, int type,
            const xmlChar *ExternalID, const xmlChar *SystemID,
        const xmlChar *content) {
    xmlEntityPtr ret;
    xmlDtdPtr dtd;

    if (doc == NULL) {
    xmlEntitiesErr(XML_DTD_NO_DOC,
            "xmlAddDtdEntity: document is NULL");
    return(NULL);
    }
    if (doc->extSubset == NULL) {
    xmlEntitiesErr(XML_DTD_NO_DTD,
            "xmlAddDtdEntity: document without external subset");
    return(NULL);
    }
    dtd = doc->extSubset;
    ret = xmlAddEntity(dtd, name, type, ExternalID, SystemID, content);
    if (ret == NULL) return(NULL);

    /*
     * Link it to the DTD
     */
    ret->parent = dtd;
    ret->doc = dtd->doc;
    if (dtd->last == NULL) {
    dtd->children = dtd->last = (xmlNodePtr) ret;
    } else {
        dtd->last->next = (xmlNodePtr) ret;
    ret->prev = dtd->last;
    dtd->last = (xmlNodePtr) ret;
    }
    return(ret);
}

xmlEntityPtr
xmlAddDocEntity(xmlDocPtr doc, const xmlChar *name, int type,
            const xmlChar *ExternalID, const xmlChar *SystemID,
            const xmlChar *content) {
    xmlEntityPtr ret;
    xmlDtdPtr dtd;

    if (doc == NULL) {
    xmlEntitiesErr(XML_DTD_NO_DOC,
            "xmlAddDocEntity: document is NULL");
    return(NULL);
    }
    if (doc->intSubset == NULL) {
    xmlEntitiesErr(XML_DTD_NO_DTD,
            "xmlAddDocEntity: document without internal subset");
    return(NULL);
    }
    dtd = doc->intSubset;
    ret = xmlAddEntity(dtd, name, type, ExternalID, SystemID, content);
    if (ret == NULL) return(NULL);

    /*
     * Link it to the DTD
     */
    ret->parent = dtd;
    ret->doc = dtd->doc;
    if (dtd->last == NULL) {
    dtd->children = dtd->last = (xmlNodePtr) ret;
    } else {
    dtd->last->next = (xmlNodePtr) ret;
    ret->prev = dtd->last;
    dtd->last = (xmlNodePtr) ret;
    }
    return(ret);
}

xmlEntityPtr
xmlNewEntity(xmlDocPtr doc, const xmlChar *name, int type,
         const xmlChar *ExternalID, const xmlChar *SystemID,
         const xmlChar *content) {
    xmlEntityPtr ret;
    xmlDictPtr dict;

    if ((doc != NULL) && (doc->intSubset != NULL)) {
    return(xmlAddDocEntity(doc, name, type, ExternalID, SystemID, content));
    }
    if (doc != NULL)
        dict = doc->dict;
    else
        dict = NULL;
    ret = xmlCreateEntity(dict, name, type, ExternalID, SystemID, content);
    if (ret == NULL)
        return(NULL);
    ret->doc = doc;
    return(ret);
}

static xmlEntityPtr
xmlGetEntityFromTable(xmlEntitiesTablePtr table, const xmlChar *name) {
    return((xmlEntityPtr) xmlHashLookup(table, name));
}

xmlEntityPtr
xmlGetParameterEntity(xmlDocPtr doc, const xmlChar *name) {
    xmlEntitiesTablePtr table;
    xmlEntityPtr ret;

    if (doc == NULL)
    return(NULL);
    if ((doc->intSubset != NULL) && (doc->intSubset->pentities != NULL)) {
    table = (xmlEntitiesTablePtr) doc->intSubset->pentities;
    ret = xmlGetEntityFromTable(table, name);
    if (ret != NULL)
        return(ret);
    }
    if ((doc->extSubset != NULL) && (doc->extSubset->pentities != NULL)) {
    table = (xmlEntitiesTablePtr) doc->extSubset->pentities;
    return(xmlGetEntityFromTable(table, name));
    }
    return(NULL);
}

xmlEntityPtr
xmlGetDtdEntity(xmlDocPtr doc, const xmlChar *name) {
    xmlEntitiesTablePtr table;

    if (doc == NULL)
    return(NULL);
    if ((doc->extSubset != NULL) && (doc->extSubset->entities != NULL)) {
    table = (xmlEntitiesTablePtr) doc->extSubset->entities;
    return(xmlGetEntityFromTable(table, name));
    }
    return(NULL);
}

xmlEntityPtr
xmlGetDocEntity(xmlDocPtr doc, const xmlChar *name) {
    xmlEntityPtr cur;
    xmlEntitiesTablePtr table;

    if (doc != NULL) {
    if ((doc->intSubset != NULL) && (doc->intSubset->entities != NULL)) {
        table = (xmlEntitiesTablePtr) doc->intSubset->entities;
        cur = xmlGetEntityFromTable(table, name);
        if (cur != NULL)
        return(cur);
    }
    if (doc->standalone != 1) {
        if ((doc->extSubset != NULL) &&
        (doc->extSubset->entities != NULL)) {
        table = (xmlEntitiesTablePtr) doc->extSubset->entities;
        cur = xmlGetEntityFromTable(table, name);
        if (cur != NULL)
            return(cur);
        }
    }
    }
    return(xmlGetPredefinedEntity(name));
}

/*
 * Macro used to grow the current buffer.
 */
#define growBufferReentrant() {                     \
    buffer_size *= 2;                           \
    buffer = (xmlChar *)                        \
            xmlRealloc(buffer, buffer_size * sizeof(xmlChar));  \
    if (buffer == NULL) {                       \
        xmlEntitiesErrMemory("xmlEncodeEntitiesReentrant: realloc failed");\
    return(NULL);                           \
    }                                   \
}


xmlChar *
xmlEncodeEntitiesReentrant(xmlDocPtr doc, const xmlChar *input) {
    const xmlChar *cur = input;
    xmlChar *buffer = NULL;
    xmlChar *out = NULL;
    int buffer_size = 0;
    int html = 0;

    if (input == NULL) return(NULL);
    if (doc != NULL)
        html = (doc->type == XML_HTML_DOCUMENT_NODE);

    /*
     * allocate an translation buffer.
     */
    buffer_size = 1000;
    buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
    if (buffer == NULL) {
        xmlEntitiesErrMemory("xmlEncodeEntitiesReentrant: malloc failed");
    return(NULL);
    }
    out = buffer;

    while (*cur != '\0') {
        if (out - buffer > buffer_size - 100) {
        int indx = out - buffer;

        growBufferReentrant();
        out = &buffer[indx];
    }

    /*
     * By default one have to encode at least '<', '>', '"' and '&' !
     */
    if (*cur == '<') {
        *out++ = '&';
        *out++ = 'l';
        *out++ = 't';
        *out++ = ';';
    } else if (*cur == '>') {
        *out++ = '&';
        *out++ = 'g';
        *out++ = 't';
        *out++ = ';';
    } else if (*cur == '&') {
        *out++ = '&';
        *out++ = 'a';
        *out++ = 'm';
        *out++ = 'p';
        *out++ = ';';
    } else if (((*cur >= 0x20) && (*cur < 0x80)) ||
        (*cur == '\n') || (*cur == '\t') || ((html) && (*cur == '\r'))) {
        /*
         * default case, just copy !
         */
        *out++ = *cur;
    } else if (*cur >= 0x80) {
        if (((doc != NULL) && (doc->encoding != NULL)) || (html)) {
        /*
         * Bjørn Reese <br@sseusa.com> provided the patch
            xmlChar xc;
            xc = (*cur & 0x3F) << 6;
            if (cur[1] != 0) {
            xc += *(++cur) & 0x3F;
            *out++ = xc;
            } else
         */
        *out++ = *cur;
        } else {
        /*
         * We assume we have UTF-8 input.
         */
        char buf[11], *ptr;
        int val = 0, l = 1;

        if (*cur < 0xC0) {
            xmlEntitiesErr(XML_CHECK_NOT_UTF8,
                "xmlEncodeEntitiesReentrant : input not UTF-8");
            if (doc != NULL)
            doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
            snprintf(buf, sizeof(buf), "&#%d;", *cur);
            buf[sizeof(buf) - 1] = 0;
            ptr = buf;
            while (*ptr != 0) *out++ = *ptr++;
            cur++;
            continue;
        } else if (*cur < 0xE0) {
                    val = (cur[0]) & 0x1F;
            val <<= 6;
            val |= (cur[1]) & 0x3F;
            l = 2;
        } else if (*cur < 0xF0) {
                    val = (cur[0]) & 0x0F;
            val <<= 6;
            val |= (cur[1]) & 0x3F;
            val <<= 6;
            val |= (cur[2]) & 0x3F;
            l = 3;
        } else if (*cur < 0xF8) {
                    val = (cur[0]) & 0x07;
            val <<= 6;
            val |= (cur[1]) & 0x3F;
            val <<= 6;
            val |= (cur[2]) & 0x3F;
            val <<= 6;
            val |= (cur[3]) & 0x3F;
            l = 4;
        }
        if ((l == 1) || (!IS_CHAR(val))) {
            xmlEntitiesErr(XML_ERR_INVALID_CHAR,
            "xmlEncodeEntitiesReentrant : char out of range\n");
            if (doc != NULL)
            doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1");
            snprintf(buf, sizeof(buf), "&#%d;", *cur);
            buf[sizeof(buf) - 1] = 0;
            ptr = buf;
            while (*ptr != 0) *out++ = *ptr++;
            cur++;
            continue;
        }
        /*
         * We could do multiple things here. Just save as a char ref
         */
        snprintf(buf, sizeof(buf), "&#x%X;", val);
        buf[sizeof(buf) - 1] = 0;
        ptr = buf;
        while (*ptr != 0) *out++ = *ptr++;
        cur += l;
        continue;
        }
    } else if (IS_BYTE_CHAR(*cur)) {
        char buf[11], *ptr;

        snprintf(buf, sizeof(buf), "&#%d;", *cur);
        buf[sizeof(buf) - 1] = 0;
            ptr = buf;
        while (*ptr != 0) *out++ = *ptr++;
    }
    cur++;
    }
    *out = 0;
    return(buffer);
}

xmlChar *
xmlEncodeSpecialChars(xmlDocPtr doc ATTRIBUTE_UNUSED, const xmlChar *input) {
    const xmlChar *cur = input;
    xmlChar *buffer = NULL;
    xmlChar *out = NULL;
    int buffer_size = 0;
    if (input == NULL) return(NULL);

    /*
     * allocate an translation buffer.
     */
    buffer_size = 1000;
    buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar));
    if (buffer == NULL) {
        xmlEntitiesErrMemory("xmlEncodeSpecialChars: malloc failed");
    return(NULL);
    }
    out = buffer;

    while (*cur != '\0') {
        if (out - buffer > buffer_size - 10) {
        int indx = out - buffer;

        growBufferReentrant();
        out = &buffer[indx];
    }

    /*
     * By default one have to encode at least '<', '>', '"' and '&' !
     */
    if (*cur == '<') {
        *out++ = '&';
        *out++ = 'l';
        *out++ = 't';
        *out++ = ';';
    } else if (*cur == '>') {
        *out++ = '&';
        *out++ = 'g';
        *out++ = 't';
        *out++ = ';';
    } else if (*cur == '&') {
        *out++ = '&';
        *out++ = 'a';
        *out++ = 'm';
        *out++ = 'p';
        *out++ = ';';
    } else if (*cur == '"') {
        *out++ = '&';
        *out++ = 'q';
        *out++ = 'u';
        *out++ = 'o';
        *out++ = 't';
        *out++ = ';';
    } else if (*cur == '\r') {
        *out++ = '&';
        *out++ = '#';
        *out++ = '1';
        *out++ = '3';
        *out++ = ';';
    } else {
        /*
         * Works because on UTF-8, all extended sequences cannot
         * result in bytes in the ASCII range.
         */
        *out++ = *cur;
    }
    cur++;
    }
    *out = 0;
    return(buffer);
}

xmlEntitiesTablePtr
xmlCreateEntitiesTable(void) {
    return((xmlEntitiesTablePtr) xmlHashCreate(0));
}

static void
xmlFreeEntityWrapper(xmlEntityPtr entity,
                   const xmlChar *name ATTRIBUTE_UNUSED) {
    if (entity != NULL)
    xmlFreeEntity(entity);
}

void
xmlFreeEntitiesTable(xmlEntitiesTablePtr table) {
    xmlHashFree(table, (xmlHashDeallocator) xmlFreeEntityWrapper);
}

#ifdef LIBXML_TREE_ENABLED

static xmlEntityPtr
xmlCopyEntity(xmlEntityPtr ent) {
    xmlEntityPtr cur;

    cur = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity));
    if (cur == NULL) {
        xmlEntitiesErrMemory("xmlCopyEntity:: malloc failed");
    return(NULL);
    }
    memset(cur, 0, sizeof(xmlEntity));
    cur->type = XML_ENTITY_DECL;

    cur->etype = ent->etype;
    if (ent->name != NULL)
    cur->name = xmlStrdup(ent->name);
    if (ent->ExternalID != NULL)
    cur->ExternalID = xmlStrdup(ent->ExternalID);
    if (ent->SystemID != NULL)
    cur->SystemID = xmlStrdup(ent->SystemID);
    if (ent->content != NULL)
    cur->content = xmlStrdup(ent->content);
    if (ent->orig != NULL)
    cur->orig = xmlStrdup(ent->orig);
    if (ent->URI != NULL)
    cur->URI = xmlStrdup(ent->URI);
    return(cur);
}

xmlEntitiesTablePtr
xmlCopyEntitiesTable(xmlEntitiesTablePtr table) {
    return(xmlHashCopy(table, (xmlHashCopier) xmlCopyEntity));
}
#endif /* LIBXML_TREE_ENABLED */

#ifdef LIBXML_OUTPUT_ENABLED

static void
xmlDumpEntityContent(xmlBufferPtr buf, const xmlChar *content) {
    if (buf->alloc == XML_BUFFER_ALLOC_IMMUTABLE) return;
    if (xmlStrchr(content, '%')) {
        const xmlChar * base, *cur;

    xmlBufferCCat(buf, "\"");
    base = cur = content;
    while (*cur != 0) {
        if (*cur == '"') {
        if (base != cur)
            xmlBufferAdd(buf, base, cur - base);
        xmlBufferAdd(buf, BAD_CAST "&quot;", 6);
        cur++;
        base = cur;
        } else if (*cur == '%') {
        if (base != cur)
            xmlBufferAdd(buf, base, cur - base);
        xmlBufferAdd(buf, BAD_CAST "&#x25;", 6);
        cur++;
        base = cur;
        } else {
        cur++;
        }
    }
    if (base != cur)
        xmlBufferAdd(buf, base, cur - base);
    xmlBufferCCat(buf, "\"");
    } else {
        xmlBufferWriteQuotedString(buf, content);
    }
}

void
xmlDumpEntityDecl(xmlBufferPtr buf, xmlEntityPtr ent) {
    if ((buf == NULL) || (ent == NULL)) return;
    switch (ent->etype) {
    case XML_INTERNAL_GENERAL_ENTITY:
        xmlBufferWriteChar(buf, "<!ENTITY ");
        xmlBufferWriteCHAR(buf, ent->name);
        xmlBufferWriteChar(buf, " ");
        if (ent->orig != NULL)
        xmlBufferWriteQuotedString(buf, ent->orig);
        else
        xmlDumpEntityContent(buf, ent->content);
        xmlBufferWriteChar(buf, ">\n");
        break;
    case XML_EXTERNAL_GENERAL_PARSED_ENTITY:
        xmlBufferWriteChar(buf, "<!ENTITY ");
        xmlBufferWriteCHAR(buf, ent->name);
        if (ent->ExternalID != NULL) {
         xmlBufferWriteChar(buf, " PUBLIC ");
         xmlBufferWriteQuotedString(buf, ent->ExternalID);
         xmlBufferWriteChar(buf, " ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        } else {
         xmlBufferWriteChar(buf, " SYSTEM ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        }
        xmlBufferWriteChar(buf, ">\n");
        break;
    case XML_EXTERNAL_GENERAL_UNPARSED_ENTITY:
        xmlBufferWriteChar(buf, "<!ENTITY ");
        xmlBufferWriteCHAR(buf, ent->name);
        if (ent->ExternalID != NULL) {
         xmlBufferWriteChar(buf, " PUBLIC ");
         xmlBufferWriteQuotedString(buf, ent->ExternalID);
         xmlBufferWriteChar(buf, " ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        } else {
         xmlBufferWriteChar(buf, " SYSTEM ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        }
        if (ent->content != NULL) { /* Should be true ! */
        xmlBufferWriteChar(buf, " NDATA ");
        if (ent->orig != NULL)
            xmlBufferWriteCHAR(buf, ent->orig);
        else
            xmlBufferWriteCHAR(buf, ent->content);
        }
        xmlBufferWriteChar(buf, ">\n");
        break;
    case XML_INTERNAL_PARAMETER_ENTITY:
        xmlBufferWriteChar(buf, "<!ENTITY % ");
        xmlBufferWriteCHAR(buf, ent->name);
        xmlBufferWriteChar(buf, " ");
        if (ent->orig == NULL)
        xmlDumpEntityContent(buf, ent->content);
        else
        xmlBufferWriteQuotedString(buf, ent->orig);
        xmlBufferWriteChar(buf, ">\n");
        break;
    case XML_EXTERNAL_PARAMETER_ENTITY:
        xmlBufferWriteChar(buf, "<!ENTITY % ");
        xmlBufferWriteCHAR(buf, ent->name);
        if (ent->ExternalID != NULL) {
         xmlBufferWriteChar(buf, " PUBLIC ");
         xmlBufferWriteQuotedString(buf, ent->ExternalID);
         xmlBufferWriteChar(buf, " ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        } else {
         xmlBufferWriteChar(buf, " SYSTEM ");
         xmlBufferWriteQuotedString(buf, ent->SystemID);
        }
        xmlBufferWriteChar(buf, ">\n");
        break;
    default:
        xmlEntitiesErr(XML_DTD_UNKNOWN_ENTITY,
        "xmlDumpEntitiesDecl: internal: unknown type entity type");
    }
}

static void
xmlDumpEntityDeclScan(xmlEntityPtr ent, xmlBufferPtr buf) {
    xmlDumpEntityDecl(buf, ent);
}
      
void
xmlDumpEntitiesTable(xmlBufferPtr buf, xmlEntitiesTablePtr table) {
    xmlHashScan(table, (xmlHashScanner)xmlDumpEntityDeclScan, buf);
}
#endif /* LIBXML_OUTPUT_ENABLED */
#define bottom_entities
#include "elfgcchack.h"