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  1. /*
  2.  * This file was generated by LibCSS gen_parser
  3.  *
  4.  * Generated from:
  5.  *
  6.  * pitch:CSS_PROP_PITCH IDENT:( INHERIT: X_LOW:0,PITCH_X_LOW LOW:0,PITCH_LOW MEDIUM:0,PITCH_MEDIUM HIGH:0,PITCH_HIGH X_HIGH:0,PITCH_X_HIGH IDENT:) LENGTH_UNIT:( UNIT_HZ:PITCH_FREQUENCY ALLOW:unit&UNIT_FREQ RANGE:<0 LENGTH_UNIT:)
  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 pitch
  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_pitch(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) {
  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_PITCH);
  52.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[X_LOW], &match) == lwc_error_ok && match)) {
  53.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0,PITCH_X_LOW);
  54.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[LOW], &match) == lwc_error_ok && match)) {
  55.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0,PITCH_LOW);
  56.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[MEDIUM], &match) == lwc_error_ok && match)) {
  57.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0,PITCH_MEDIUM);
  58.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[HIGH], &match) == lwc_error_ok && match)) {
  59.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0,PITCH_HIGH);
  60.         } else if ((token->type == CSS_TOKEN_IDENT) && (lwc_string_caseless_isequal(token->idata, c->strings[X_HIGH], &match) == lwc_error_ok && match)) {
  61.                         error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0,PITCH_X_HIGH);
  62.         } else {
  63.                 css_fixed length = 0;
  64.                 uint32_t unit = 0;
  65.                 *ctx = orig_ctx;
  66.  
  67.                 error = css__parse_unit_specifier(c, vector, ctx, UNIT_HZ, &length, &unit);
  68.                 if (error != CSS_OK) {
  69.                         *ctx = orig_ctx;
  70.                         return error;
  71.                 }
  72.  
  73.                 if ((unit&UNIT_FREQ) == false) {
  74.                         *ctx = orig_ctx;
  75.                         return CSS_INVALID;
  76.                 }
  77.  
  78.                 if (length <0) {
  79.                         *ctx = orig_ctx;
  80.                         return CSS_INVALID;
  81.                 }
  82.  
  83.                 error = css__stylesheet_style_appendOPV(result, CSS_PROP_PITCH, 0, PITCH_FREQUENCY);
  84.                 if (error != CSS_OK) {
  85.                         *ctx = orig_ctx;
  86.                         return error;
  87.                 }
  88.  
  89.                 error = css__stylesheet_style_vappend(result, 2, length, unit);
  90.         }
  91.  
  92.         if (error != CSS_OK)
  93.                 *ctx = orig_ctx;
  94.        
  95.         return error;
  96. }
  97.  
  98.