| 0,0 → 1,127 |
|---|
| /* |
| * 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 quotes |
| * |
| * \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 css__parse_quotes(css_language *c, |
| const parserutils_vector *vector, int *ctx, |
| css_style *result) |
| { |
| int orig_ctx = *ctx; |
| css_error error = CSS_INVALID; |
| const css_token *token; |
| bool match; |
| |
| /* [ STRING STRING ]+ | IDENT(none,inherit) */ |
| token = parserutils_vector_iterate(vector, ctx); |
| if ((token == NULL) || |
| ((token->type != CSS_TOKEN_IDENT) && |
| (token->type != CSS_TOKEN_STRING))) { |
| *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)) { |
| error = css_stylesheet_style_inherit(result, CSS_PROP_QUOTES); |
| } else if ((token->type == CSS_TOKEN_IDENT) && |
| (lwc_string_caseless_isequal(token->idata, |
| c->strings[NONE], |
| &match) == lwc_error_ok && match)) { |
| error = css__stylesheet_style_appendOPV(result, |
| CSS_PROP_QUOTES, 0, QUOTES_NONE); |
| } else if (token->type == CSS_TOKEN_STRING) { |
| bool first = true; |
| |
| /* Macro to output the value marker, awkward because we need to check |
| * first to determine how the value is constructed. |
| */ |
| #define CSS_FIRST_APPEND(CSSVAL) css__stylesheet_style_append(result, first?buildOPV(CSS_PROP_QUOTES, 0, CSSVAL):CSSVAL) |
| |
| /* [ STRING STRING ]+ */ |
| while ((token != NULL) && (token->type == CSS_TOKEN_STRING)) { |
| uint32_t open_snumber; |
| uint32_t close_snumber; |
| |
| error = css__stylesheet_string_add(c->sheet, |
| lwc_string_ref(token->idata), |
| &open_snumber); |
| if (error != CSS_OK) |
| break; |
| |
| consumeWhitespace(vector, ctx); |
| |
| token = parserutils_vector_iterate(vector, ctx); |
| if ((token == NULL) || |
| (token->type != CSS_TOKEN_STRING)) { |
| error = CSS_INVALID; |
| break; |
| } |
| |
| error = css__stylesheet_string_add(c->sheet, |
| lwc_string_ref(token->idata), |
| &close_snumber); |
| if (error != CSS_OK) |
| break; |
| |
| consumeWhitespace(vector, ctx); |
| |
| error = CSS_FIRST_APPEND(QUOTES_STRING); |
| if (error != CSS_OK) |
| break; |
| |
| error = css__stylesheet_style_append(result, open_snumber); |
| if (error != CSS_OK) |
| break; |
| |
| error = css__stylesheet_style_append(result, close_snumber); |
| if (error != CSS_OK) |
| break; |
| |
| first = false; |
| |
| token = parserutils_vector_peek(vector, *ctx); |
| if (token == NULL || token->type != CSS_TOKEN_STRING) |
| break; |
| token = parserutils_vector_iterate(vector, ctx); |
| } |
| |
| if (error == CSS_OK) { |
| /* AddTerminator */ |
| error = css__stylesheet_style_append(result, QUOTES_NONE); |
| } |
| } else { |
| error = CSS_INVALID; |
| } |
| |
| if (error != CSS_OK) |
| *ctx = orig_ctx; |
| |
| return error; |
| } |