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  1. /*
  2.  * This file was generated by LibCSS gen_parser
  3.  *
  4.  * Generated from:
  5.  *
  6.  * z_index:CSS_PROP_Z_INDEX IDENT:( INHERIT: AUTO:0,Z_INDEX_AUTO IDENT:) NUMBER:( true:Z_INDEX_SET NUMBER:)
  7.  *
  8.  * Licensed under the MIT License,
  9.  *                http://www.opensource.org/licenses/mit-license.php
  10.  * Copyright 2010 The NetSurf Browser Project.
  11.  */
  12.  
  13. #include <assert.h>
  14. #include <string.h>
  15.  
  16. #include "bytecode/bytecode.h"
  17. #include "bytecode/opcodes.h"
  18. #include "parse/properties/properties.h"
  19. #include "parse/properties/utils.h"
  20.  
  21. /**
  22.  * Parse z_index
  23.  *
  24.  * \param c       Parsing context
  25.  * \param vector  Vector of tokens to process
  26.  * \param ctx     Pointer to vector iteration context
  27.  * \param result  resulting style
  28.  * \return CSS_OK on success,
  29.  *         CSS_NOMEM on memory exhaustion,
  30.  *         CSS_INVALID if the input is not valid
  31.  *
  32.  * Post condition: \a *ctx is updated with the next token to process
  33.  *                 If the input is invalid, then \a *ctx remains unchanged.
  34.  */
  35. css_error css__parse_z_index(css_language *c,
  36.                 const parserutils_vector *vector, int *ctx,
  37.                 css_style *result)
  38. {
  39.         int orig_ctx = *ctx;
  40.         css_error error;
  41.         const css_token *token;
  42.         bool match;
  43.  
  44.         token = parserutils_vector_iterate(vector, ctx);
  45.         if ((token == NULL) || ((token->type != CSS_TOKEN_IDENT) && (token->type != CSS_TOKEN_NUMBER))) {
  46.                 *ctx = orig_ctx;
  47.                 return CSS_INVALID;
  48.         }
  49.  
  50.         if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[INHERIT], &match) == lwc_error_ok && match)) {
  51.                         error = css_stylesheet_style_inherit(result, CSS_PROP_Z_INDEX);
  52.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[AUTO], &match) == lwc_error_ok && match)) {
  53.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_Z_INDEX, 0,Z_INDEX_AUTO);
  54.         } else if (token->type == CSS_TOKEN_NUMBER) {
  55.                 css_fixed num = 0;
  56.                 size_t consumed = 0;
  57.  
  58.                 num = css__number_from_lwc_string(token->idata, true, &consumed);
  59.                 /* Invalid if there are trailing characters */
  60.                 if (consumed != lwc_string_length(token->idata)) {
  61.                         *ctx = orig_ctx;
  62.                         return CSS_INVALID;
  63.                 }
  64.                 error = css__stylesheet_style_appendOPV(result, CSS_PROP_Z_INDEX, 0, Z_INDEX_SET);
  65.                 if (error != CSS_OK) {
  66.                         *ctx = orig_ctx;
  67.                         return error;
  68.                 }
  69.  
  70.                 error = css__stylesheet_style_append(result, num);
  71.         } else {
  72.                 error = CSS_INVALID;
  73.         }
  74.  
  75.         if (error != CSS_OK)
  76.                 *ctx = orig_ctx;
  77.        
  78.         return error;
  79. }
  80.  
  81.