mirror of
https://gitlab.gnome.org/GNOME/libxml2.git
synced 2024-10-27 04:55:04 +03:00
163 lines
3.8 KiB
C
163 lines
3.8 KiB
C
/*
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* valid.c : part of the code use to do the DTD handling and the validity
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* checking
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*
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* See Copyright for the status of this software.
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*
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* Daniel.Veillard@w3.org
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "valid.h"
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#include "parser.h"
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/****************************************************************
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* *
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* Util functions for data allocation/deallocation *
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* *
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****************************************************************/
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/**
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* xmlNewElementContent:
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* @name: the subelement name or NULL
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* @type: the type of element content decl
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*
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* Allocate an element content structure.
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*
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* return values: NULL if not, othervise the new element content structure
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*/
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xmlElementContentPtr
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xmlNewElementContent(CHAR *name, int type) {
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xmlElementContentPtr ret;
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switch(type) {
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case XML_ELEMENT_CONTENT_ELEMENT:
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if (name == NULL) {
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fprintf(stderr, "xmlNewElementContent : name == NULL !\n");
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}
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break;
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case XML_ELEMENT_CONTENT_PCDATA:
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case XML_ELEMENT_CONTENT_SEQ:
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case XML_ELEMENT_CONTENT_OR:
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if (name != NULL) {
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fprintf(stderr, "xmlNewElementContent : name != NULL !\n");
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}
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break;
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default:
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fprintf(stderr, "xmlNewElementContent: unknown type %d\n", type);
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exit(1);
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}
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ret = (xmlElementContentPtr) malloc(sizeof(xmlElementContent));
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if (ret == NULL) {
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fprintf(stderr, "xmlNewElementContent : out of memory!\n");
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return(NULL);
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}
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ret->type = type;
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ret->ocur = XML_ELEMENT_CONTENT_ONCE;
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ret->name = xmlStrdup(name);
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return(ret);
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}
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/**
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* xmlNewElementContent:
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* @name: the subelement name or NULL
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* @type: the type of element content decl
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*
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* Free an element content structure. This is a recursive call !
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*/
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void
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xmlFreeElementContent(xmlElementContentPtr cur) {
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/* TODO !!! */
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}
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/****************************************************************
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* *
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* Registration of DTD declarations *
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* *
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****************************************************************/
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/**
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* xmlAddElementDecl:
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* @name: the entity name
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*
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* Register a new element declaration
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*
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* return values: NULL if not, othervise the entity
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*/
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xmlElementPtr
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xmlAddElementDecl(xmlDtdPtr dtd, char *name, int type,
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xmlElementContentPtr content) {
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xmlElementPtr ret;
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if (dtd == NULL) {
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fprintf(stderr, "xmlAddElementDecl: dtd == NULL\n");
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return(NULL);
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}
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if (name == NULL) {
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fprintf(stderr, "xmlAddElementDecl: name == NULL\n");
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return(NULL);
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}
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switch (type) {
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case XML_ELEMENT_TYPE_EMPTY:
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if (content != NULL) {
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fprintf(stderr,
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"xmlAddElementDecl: content != NULL for EMPTY\n");
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return(NULL);
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}
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break;
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case XML_ELEMENT_TYPE_ANY:
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if (content != NULL) {
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fprintf(stderr,
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"xmlAddElementDecl: content != NULL for ANY\n");
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return(NULL);
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}
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break;
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case XML_ELEMENT_TYPE_MIXED:
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if (content == NULL) {
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fprintf(stderr,
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"xmlAddElementDecl: content == NULL for MIXED\n");
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return(NULL);
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}
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break;
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case XML_ELEMENT_TYPE_ELEMENT:
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if (content == NULL) {
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fprintf(stderr,
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"xmlAddElementDecl: content == NULL for ELEMENT\n");
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return(NULL);
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}
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break;
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default:
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fprintf(stderr, "xmlAddElementDecl: unknown type %d\n", type);
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return(NULL);
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}
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/*
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* Validity Check:
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* Search the DTD for previous declarations of the ELEMENT
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*/
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/* TODO */
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/*
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* Create and fill the structure.
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*/
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ret = (xmlElementPtr) malloc(sizeof(xmlElement));
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if (ret == NULL) {
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fprintf(stderr, "xmlAddElementDecl: out of memory\n");
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return(NULL);
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}
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ret->type = type;
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ret->name = xmlStrdup(name);
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ret->content = content;
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/*
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* Insert the structure in the DTD Element table
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*/
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/* TODO */
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return(ret);
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}
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