diff options
Diffstat (limited to 'entities.c')
| -rw-r--r-- | entities.c | 1034 |
1 files changed, 0 insertions, 1034 deletions
diff --git a/entities.c b/entities.c deleted file mode 100644 index 0fc4e8eb..00000000 --- a/entities.c +++ /dev/null @@ -1,1034 +0,0 @@ -/* - * entities.c : implementation for the XML entities handking - * - * See Copyright for the status of this software. - * - * Daniel.Veillard@w3.org - */ - -#ifdef WIN32 -#include "win32config.h" -#else -#include "config.h" -#endif - -#include <stdio.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/xmlerror.h> - -#define DEBUG_ENT_REF /* debugging of cross entities dependancies */ -#define ENTITY_HASH_SIZE 256 /* modify xmlEntityComputeHash accordingly */ - -/* - * xmlEntityComputeHash: - * - * Computes the hash value for this given entity - */ -int -xmlEntityComputeHash(const xmlChar *name) { - register const unsigned char *cur = (const unsigned char *) name; - register unsigned char val = 0; - - if (name == NULL) - return(val); - while (*cur) val += *cur++; - return(val); -} - -/* - * The XML predefined entities. - */ - -struct xmlPredefinedEntityValue { - const char *name; - const char *value; -}; -struct xmlPredefinedEntityValue xmlPredefinedEntityValues[] = { - { "lt", "<" }, - { "gt", ">" }, - { "apos", "'" }, - { "quot", "\"" }, - { "amp", "&" } -}; - -/* - * TODO: !!!!!!! This is GROSS, allocation of a 256 entry hash for - * a fixed number of 4 elements ! - */ -xmlHashTablePtr xmlPredefinedEntities = NULL; - -/* - * xmlFreeEntity : clean-up an entity record. - */ -void xmlFreeEntity(xmlEntityPtr entity) { - if (entity == NULL) return; - - if (entity->children) - xmlFreeNodeList(entity->children); - 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); - memset(entity, -1, sizeof(xmlEntity)); - xmlFree(entity); -} - -/* - * 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) { - xmlEntitiesTablePtr table = NULL; - xmlEntityPtr ret; - - if (name == NULL) - return(NULL); - 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 = xmlHashCreate(0); - table = dtd->entities; - break; - case XML_INTERNAL_PARAMETER_ENTITY: - case XML_EXTERNAL_PARAMETER_ENTITY: - if (dtd->pentities == NULL) - dtd->pentities = xmlHashCreate(0); - table = dtd->pentities; - break; - case XML_INTERNAL_PREDEFINED_ENTITY: - if (xmlPredefinedEntities == NULL) - xmlPredefinedEntities = xmlHashCreate(8); - table = xmlPredefinedEntities; - } - if (table == NULL) - return(NULL); - ret = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity)); - if (ret == NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlAddEntity: out of memory\n"); - return(NULL); - } - memset(ret, 0, sizeof(xmlEntity)); - ret->type = XML_ENTITY_DECL; - - /* - * fill the structure. - */ - ret->name = xmlStrdup(name); - ret->etype = (xmlEntityType) type; - if (ExternalID != NULL) - ret->ExternalID = xmlStrdup(ExternalID); - if (SystemID != NULL) - ret->SystemID = xmlStrdup(SystemID); - if (content != NULL) { - ret->length = xmlStrlen(content); - 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; - - if (xmlHashAddEntry(table, name, ret)) { - /* - * entity was already defined at another level. - */ - xmlFreeEntity(ret); - return(NULL); - } - return(ret); -} - -/** - * xmlInitializePredefinedEntities: - * - * Set up the predefined entities. - */ -void xmlInitializePredefinedEntities(void) { - int i; - xmlChar name[50]; - xmlChar value[50]; - const char *in; - xmlChar *out; - - if (xmlPredefinedEntities != NULL) return; - - xmlPredefinedEntities = xmlCreateEntitiesTable(); - for (i = 0;i < sizeof(xmlPredefinedEntityValues) / - sizeof(xmlPredefinedEntityValues[0]);i++) { - in = xmlPredefinedEntityValues[i].name; - out = &name[0]; - for (;(*out++ = (xmlChar) *in);)in++; - in = xmlPredefinedEntityValues[i].value; - out = &value[0]; - for (;(*out++ = (xmlChar) *in);)in++; - - xmlAddEntity(NULL, (const xmlChar *) &name[0], - XML_INTERNAL_PREDEFINED_ENTITY, NULL, NULL, - &value[0]); - } -} - -/** - * xmlCleanupPredefinedEntities: - * - * Cleanup up the predefined entities table. - */ -void xmlCleanupPredefinedEntities(void) { - if (xmlPredefinedEntities == NULL) return; - - xmlFreeEntitiesTable(xmlPredefinedEntities); - xmlPredefinedEntities = NULL; -} - -/** - * xmlGetPredefinedEntity: - * @name: the entity name - * - * Check whether this name is an predefined entity. - * - * Returns NULL if not, othervise the entity - */ -xmlEntityPtr -xmlGetPredefinedEntity(const xmlChar *name) { - if (xmlPredefinedEntities == NULL) - xmlInitializePredefinedEntities(); - return((xmlEntityPtr) xmlHashLookup(xmlPredefinedEntities, name)); -} - -/** - * xmlAddDtdEntity: - * @doc: the document - * @name: the entity name - * @type: the entity type XML_xxx_yyy_ENTITY - * @ExternalID: the entity external ID if available - * @SystemID: the entity system ID if available - * @content: the entity content - * - * Register a new entity for this document DTD external subset. - * - * Returns a pointer to the entity or NULL in case of error - */ -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) { - xmlGenericError(xmlGenericErrorContext, - "xmlAddDtdEntity: doc == NULL !\n"); - return(NULL); - } - if (doc->extSubset == NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlAddDtdEntity: document without external subset !\n"); - 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); -} - -/** - * xmlAddDocEntity: - * @doc: the document - * @name: the entity name - * @type: the entity type XML_xxx_yyy_ENTITY - * @ExternalID: the entity external ID if available - * @SystemID: the entity system ID if available - * @content: the entity content - * - * Register a new entity for this document. - * - * Returns a pointer to the entity or NULL in case of error - */ -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) { - xmlGenericError(xmlGenericErrorContext, - "xmlAddDocEntity: document is NULL !\n"); - return(NULL); - } - if (doc->intSubset == NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlAddDtdEntity: document without internal subset !\n"); - 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); -} - -/** - * xmlGetEntityFromTable: - * @table: an entity table - * @name: the entity name - * @parameter: look for parameter entities - * - * Do an entity lookup in the table. - * returns the corresponding parameter entity, if found. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -xmlEntityPtr -xmlGetEntityFromTable(xmlEntitiesTablePtr table, const xmlChar *name) { - return((xmlEntityPtr) xmlHashLookup(table, name)); -} - -/** - * xmlGetParameterEntity: - * @doc: the document referencing the entity - * @name: the entity name - * - * Do an entity lookup in the internal and external subsets and - * returns the corresponding parameter entity, if found. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -xmlEntityPtr -xmlGetParameterEntity(xmlDocPtr doc, const xmlChar *name) { - xmlEntitiesTablePtr table; - xmlEntityPtr ret; - - 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); -} - -/** - * xmlGetDtdEntity: - * @doc: the document referencing the entity - * @name: the entity name - * - * Do an entity lookup in the Dtd entity hash table and - * returns the corresponding entity, if found. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -xmlEntityPtr -xmlGetDtdEntity(xmlDocPtr doc, const xmlChar *name) { - xmlEntitiesTablePtr table; - - if ((doc->extSubset != NULL) && (doc->extSubset->entities != NULL)) { - table = (xmlEntitiesTablePtr) doc->extSubset->entities; - return(xmlGetEntityFromTable(table, name)); - } - return(NULL); -} - -/** - * xmlGetDocEntity: - * @doc: the document referencing the entity - * @name: the entity name - * - * Do an entity lookup in the document entity hash table and - * returns the corrsponding entity, otherwise a lookup is done - * in the predefined entities too. - * - * Returns A pointer to the entity structure or NULL if not found. - */ -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->extSubset != NULL) && (doc->extSubset->entities != NULL)) { - table = (xmlEntitiesTablePtr) doc->extSubset->entities; - cur = xmlGetEntityFromTable(table, name); - if (cur != NULL) - return(cur); - } - } - if (xmlPredefinedEntities == NULL) - xmlInitializePredefinedEntities(); - table = xmlPredefinedEntities; - return(xmlGetEntityFromTable(table, name)); -} - -/* - * [2] Char ::= #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] - * | [#x10000-#x10FFFF] - * any Unicode character, excluding the surrogate blocks, FFFE, and FFFF. - */ -#define IS_CHAR(c) \ - (((c) == 0x09) || ((c) == 0x0a) || ((c) == 0x0d) || \ - (((c) >= 0x20) && ((c) != 0xFFFE) && ((c) != 0xFFFF))) - -/* - * A buffer used for converting entities to their equivalent and back. - */ -static int buffer_size = 0; -static xmlChar *buffer = NULL; - -int growBuffer(void) { - buffer_size *= 2; - buffer = (xmlChar *) xmlRealloc(buffer, buffer_size * sizeof(xmlChar)); - if (buffer == NULL) { - perror("realloc failed"); - return(-1); - } - return(0); -} - - -/** - * xmlEncodeEntities: - * @doc: the document containing the string - * @input: A string to convert to XML. - * - * Do a global encoding of a string, replacing the predefined entities - * and non ASCII values with their entities and CharRef counterparts. - * - * TODO: remove xmlEncodeEntities, once we are not afraid of breaking binary - * compatibility - * - * People must migrate their code to xmlEncodeEntitiesReentrant ! - * This routine will issue a warning when encountered. - * - * Returns A newly allocated string with the substitution done. - */ -const xmlChar * -xmlEncodeEntities(xmlDocPtr doc, const xmlChar *input) { - const xmlChar *cur = input; - xmlChar *out = buffer; - static int warning = 1; - int html = 0; - - - if (warning) { - xmlGenericError(xmlGenericErrorContext, - "Deprecated API xmlEncodeEntities() used\n"); - xmlGenericError(xmlGenericErrorContext, - " change code to use xmlEncodeEntitiesReentrant()\n"); - warning = 0; - } - - if (input == NULL) return(NULL); - if (doc != NULL) - html = (doc->type == XML_HTML_DOCUMENT_NODE); - - if (buffer == NULL) { - buffer_size = 1000; - buffer = (xmlChar *) xmlMalloc(buffer_size * sizeof(xmlChar)); - if (buffer == NULL) { - perror("malloc failed"); - return(NULL); - } - out = buffer; - } - while (*cur != '\0') { - if (out - buffer > buffer_size - 100) { - int index = out - buffer; - - growBuffer(); - out = &buffer[index]; - } - - /* - * 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 == '\'') && (!html)) { - *out++ = '&'; - *out++ = 'a'; - *out++ = 'p'; - *out++ = 'o'; - *out++ = 's'; - *out++ = ';'; - } else if (((*cur >= 0x20) && (*cur < 0x80)) || - (*cur == '\n') || (*cur == '\r') || (*cur == '\t')) { - /* - * default case, just copy ! - */ - *out++ = *cur; -#ifndef USE_UTF_8 - } else if ((sizeof(xmlChar) == 1) && (*cur >= 0x80)) { - char buf[10], *ptr; - -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#%d;", *cur); -#else - sprintf(buf, "&#%d;", *cur); -#endif - buf[sizeof(buf) - 1] = 0; - ptr = buf; - while (*ptr != 0) *out++ = *ptr++; -#endif - } else if (IS_CHAR(*cur)) { - char buf[10], *ptr; - -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#%d;", *cur); -#else - sprintf(buf, "&#%d;", *cur); -#endif - buf[sizeof(buf) - 1] = 0; - ptr = buf; - while (*ptr != 0) *out++ = *ptr++; - } -#if 0 - else { - /* - * default case, this is not a valid char ! - * Skip it... - */ - xmlGenericError(xmlGenericErrorContext, - "xmlEncodeEntities: invalid char %d\n", (int) *cur); - } -#endif - cur++; - } - *out++ = 0; - return(buffer); -} - -/* - * Macro used to grow the current buffer. - */ -#define growBufferReentrant() { \ - buffer_size *= 2; \ - buffer = (xmlChar *) \ - xmlRealloc(buffer, buffer_size * sizeof(xmlChar)); \ - if (buffer == NULL) { \ - perror("realloc failed"); \ - return(NULL); \ - } \ -} - - -/** - * xmlEncodeEntitiesReentrant: - * @doc: the document containing the string - * @input: A string to convert to XML. - * - * Do a global encoding of a string, replacing the predefined entities - * and non ASCII values with their entities and CharRef counterparts. - * Contrary to xmlEncodeEntities, this routine is reentrant, and result - * must be deallocated. - * - * Returns A newly allocated string with the substitution done. - */ -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) { - perror("malloc failed"); - return(NULL); - } - out = buffer; - - while (*cur != '\0') { - if (out - buffer > buffer_size - 100) { - int index = out - buffer; - - growBufferReentrant(); - out = &buffer[index]; - } - - /* - * 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++ = ';'; -#if 0 - } else if ((*cur == '\'') && (!html)) { - *out++ = '&'; - *out++ = 'a'; - *out++ = 'p'; - *out++ = 'o'; - *out++ = 's'; - *out++ = ';'; -#endif - } else if (((*cur >= 0x20) && (*cur < 0x80)) || - (*cur == '\n') || (*cur == '\r') || (*cur == '\t')) { - /* - * default case, just copy ! - */ - *out++ = *cur; - } else if (*cur >= 0x80) { - if ((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[10], *ptr; - int val = 0, l = 1; - - if (*cur < 0xC0) { - xmlGenericError(xmlGenericErrorContext, - "xmlEncodeEntitiesReentrant : input not UTF-8\n"); - doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1"); -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#%d;", *cur); -#else - sprintf(buf, "&#%d;", *cur); -#endif - buf[sizeof(buf) - 1] = 0; - ptr = buf; - while (*ptr != 0) *out++ = *ptr++; - 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))) { - xmlGenericError(xmlGenericErrorContext, - "xmlEncodeEntitiesReentrant : char out of range\n"); - doc->encoding = xmlStrdup(BAD_CAST "ISO-8859-1"); -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#%d;", *cur); -#else - sprintf(buf, "&#%d;", *cur); -#endif - 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 - */ -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#x%X;", val); -#else - sprintf(buf, "&#x%X;", val); -#endif - buf[sizeof(buf) - 1] = 0; - ptr = buf; - while (*ptr != 0) *out++ = *ptr++; - cur += l; - continue; - } - } else if (IS_CHAR(*cur)) { - char buf[10], *ptr; - -#ifdef HAVE_SNPRINTF - snprintf(buf, sizeof(buf), "&#%d;", *cur); -#else - sprintf(buf, "&#%d;", *cur); -#endif - buf[sizeof(buf) - 1] = 0; - ptr = buf; - while (*ptr != 0) *out++ = *ptr++; - } -#if 0 - else { - /* - * default case, this is not a valid char ! - * Skip it... - */ - xmlGenericError(xmlGenericErrorContext, - "xmlEncodeEntities: invalid char %d\n", (int) *cur); - } -#endif - cur++; - } - *out++ = 0; - return(buffer); -} - -/** - * xmlEncodeSpecialChars: - * @doc: the document containing the string - * @input: A string to convert to XML. - * - * Do a global encoding of a string, replacing the predefined entities - * this routine is reentrant, and result must be deallocated. - * - * Returns A newly allocated string with the substitution done. - */ -xmlChar * -xmlEncodeSpecialChars(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) { - perror("malloc failed"); - return(NULL); - } - out = buffer; - - while (*cur != '\0') { - if (out - buffer > buffer_size - 10) { - int index = out - buffer; - - growBufferReentrant(); - out = &buffer[index]; - } - - /* - * 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 { - /* - * Works because on UTF-8, all extended sequences cannot - * result in bytes in the ASCII range. - */ - *out++ = *cur; - } - cur++; - } - *out++ = 0; - return(buffer); -} - -/** - * xmlCreateEntitiesTable: - * - * create and initialize an empty entities hash table. - * - * Returns the xmlEntitiesTablePtr just created or NULL in case of error. - */ -xmlEntitiesTablePtr -xmlCreateEntitiesTable(void) { - return((xmlEntitiesTablePtr) xmlHashCreate(0)); -} - -/** - * xmlFreeEntitiesTable: - * @table: An entity table - * - * Deallocate the memory used by an entities hash table. - */ -void -xmlFreeEntitiesTable(xmlEntitiesTablePtr table) { - xmlHashFree(table, (xmlHashDeallocator) xmlFreeEntity); -} - -/** - * xmlCopyEntity: - * @ent: An entity - * - * Build a copy of an entity - * - * Returns the new xmlEntitiesPtr or NULL in case of error. - */ -xmlEntityPtr -xmlCopyEntity(xmlEntityPtr ent) { - xmlEntityPtr cur; - - cur = (xmlEntityPtr) xmlMalloc(sizeof(xmlEntity)); - if (cur == NULL) { - xmlGenericError(xmlGenericErrorContext, - "xmlCopyEntity: out of memory !\n"); - return(NULL); - } - memset(cur, 0, sizeof(xmlEntity)); - cur->type = XML_ELEMENT_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); - return(cur); -} - -/** - * xmlCopyEntitiesTable: - * @table: An entity table - * - * Build a copy of an entity table. - * - * Returns the new xmlEntitiesTablePtr or NULL in case of error. - */ -xmlEntitiesTablePtr -xmlCopyEntitiesTable(xmlEntitiesTablePtr table) { - return(xmlHashCopy(table, (xmlHashCopier) xmlCopyEntity)); -} - -/** - * xmlDumpEntityDecl: - * @buf: An XML buffer. - * @ent: An entity table - * - * This will dump the content of the entity table as an XML DTD definition - */ -void -xmlDumpEntityDecl(xmlBufferPtr buf, xmlEntityPtr ent) { - 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 - xmlBufferWriteQuotedString(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) - xmlBufferWriteQuotedString(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: - xmlGenericError(xmlGenericErrorContext, - "xmlDumpEntitiesTable: internal: unknown type %d\n", - ent->etype); - } -} - -/** - * xmlDumpEntitiesTable: - * @buf: An XML buffer. - * @table: An entity table - * - * This will dump the content of the entity table as an XML DTD definition - */ -void -xmlDumpEntitiesTable(xmlBufferPtr buf, xmlEntitiesTablePtr table) { - xmlHashScan(table, (xmlHashScanner)xmlDumpEntityDecl, buf); -} |