diff options
Diffstat (limited to 'src/parse/properties/volume.c')
-rw-r--r-- | src/parse/properties/volume.c | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/parse/properties/volume.c b/src/parse/properties/volume.c deleted file mode 100644 index 2d4c90e..0000000 --- a/src/parse/properties/volume.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * This file is part of LibCSS. - * Licensed under the MIT License, - * http://www.opensource.org/licenses/mit-license.php - * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org> - */ - -#include <assert.h> -#include <string.h> - -#include "bytecode/bytecode.h" -#include "bytecode/opcodes.h" -#include "parse/properties/properties.h" -#include "parse/properties/utils.h" - -/** - * Parse volume - * - * \param c Parsing context - * \param vector Vector of tokens to process - * \param ctx Pointer to vector iteration context - * \param result Pointer to location to receive resulting style - * \return CSS_OK on success, - * CSS_NOMEM on memory exhaustion, - * CSS_INVALID if the input is not valid - * - * Post condition: \a *ctx is updated with the next token to process - * If the input is invalid, then \a *ctx remains unchanged. - */ -css_error parse_volume(css_language *c, - const parserutils_vector *vector, int *ctx, - css_style **result) -{ - int orig_ctx = *ctx; - css_error error; - const css_token *token; - uint8_t flags = 0; - uint16_t value = 0; - uint32_t opv; - css_fixed length = 0; - uint32_t unit = 0; - uint32_t required_size; - bool match; - - /* number | percentage | IDENT(silent, x-soft, soft, medium, loud, - * x-loud, inherit) - */ - token = parserutils_vector_peek(vector, *ctx); - if (token == NULL) { - *ctx = orig_ctx; - return CSS_INVALID; - } - - if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[INHERIT], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - flags = FLAG_INHERIT; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[SILENT], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_SILENT; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[X_SOFT], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_X_SOFT; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[SOFT], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_SOFT; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[MEDIUM], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_MEDIUM; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[LOUD], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_LOUD; - } else if (token->type == CSS_TOKEN_IDENT && - (lwc_string_caseless_isequal( - token->idata, c->strings[X_LOUD], - &match) == lwc_error_ok && match)) { - parserutils_vector_iterate(vector, ctx); - value = VOLUME_X_LOUD; - } else if (token->type == CSS_TOKEN_NUMBER) { - size_t consumed = 0; - length = number_from_lwc_string(token->idata, false, &consumed); - if (consumed != lwc_string_length(token->idata)) { - *ctx = orig_ctx; - return CSS_INVALID; - } - - /* Must be between 0 and 100 */ - if (length < 0 || length > F_100) { - *ctx = orig_ctx; - return CSS_INVALID; - } - - parserutils_vector_iterate(vector, ctx); - value = VOLUME_NUMBER; - } else { - /* Yes, really UNIT_PX -- percentages MUST have a % sign */ - error = parse_unit_specifier(c, vector, ctx, UNIT_PX, - &length, &unit); - if (error != CSS_OK) { - *ctx = orig_ctx; - return error; - } - - if ((unit & UNIT_PCT) == false) { - *ctx = orig_ctx; - return CSS_INVALID; - } - - /* Must be positive */ - if (length < 0) { - *ctx = orig_ctx; - return CSS_INVALID; - } - - value = VOLUME_DIMENSION; - } - - opv = buildOPV(CSS_PROP_VOLUME, flags, value); - - required_size = sizeof(opv); - if ((flags & FLAG_INHERIT) == false && value == VOLUME_NUMBER) - required_size += sizeof(length); - else if ((flags & FLAG_INHERIT) == false && value == VOLUME_DIMENSION) - required_size += sizeof(length) + sizeof(unit); - - /* Allocate result */ - error = css_stylesheet_style_create(c->sheet, required_size, result); - if (error != CSS_OK) { - *ctx = orig_ctx; - return error; - } - - /* Copy the bytecode to it */ - memcpy((*result)->bytecode, &opv, sizeof(opv)); - if ((flags & FLAG_INHERIT) == false && (value == VOLUME_NUMBER || - value == VOLUME_DIMENSION)) - memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv), - &length, sizeof(length)); - if ((flags & FLAG_INHERIT) == false && value == VOLUME_DIMENSION) - memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) + - sizeof(length), &unit, sizeof(unit)); - - return CSS_OK; -} |