kc3-lang/libxml2/valid.c

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• Hash : 39a1f9a3
  Author :
  Date : 1999-01-17T19:11:59
  

  Speed, conformance testing, more parsing, general improvements, Daniel.
  

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• valid.c

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

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