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/*
* This file is part of LibCSS.
* Licensed under the MIT License,
* http://www.opensource.org/licenses/mit-license.php
* Copyright 2012 Michael Drake <tlsa@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 overflow shorthand
*
* \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_overflow(css_language *c,
const parserutils_vector *vector, int *ctx,
css_style *result)
{
int orig_ctx = *ctx;
css_error error1, error2 = CSS_OK;
const css_token *token;
bool match;
token = parserutils_vector_iterate(vector, ctx);
if ((token == NULL) || ((token->type != CSS_TOKEN_IDENT))) {
*ctx = orig_ctx;
return CSS_INVALID;
}
if ((lwc_string_caseless_isequal(token->idata,
c->strings[INHERIT], &match) == lwc_error_ok &&
match)) {
error1 = css_stylesheet_style_inherit(result,
CSS_PROP_OVERFLOW_X);
error2 = css_stylesheet_style_inherit(result,
CSS_PROP_OVERFLOW_Y);
} else if ((lwc_string_caseless_isequal(token->idata,
c->strings[VISIBLE], &match) == lwc_error_ok &&
match)) {
error1 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_X, 0, OVERFLOW_VISIBLE);
error2 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_Y, 0, OVERFLOW_VISIBLE);
} else if ((lwc_string_caseless_isequal(token->idata,
c->strings[HIDDEN], &match) == lwc_error_ok &&
match)) {
error1 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_X, 0, OVERFLOW_HIDDEN);
error2 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_Y, 0, OVERFLOW_HIDDEN);
} else if ((lwc_string_caseless_isequal(token->idata,
c->strings[SCROLL], &match) == lwc_error_ok &&
match)) {
error1 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_X, 0, OVERFLOW_SCROLL);
error2 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_Y, 0, OVERFLOW_SCROLL);
} else if ((lwc_string_caseless_isequal(token->idata,
c->strings[AUTO], &match) == lwc_error_ok &&
match)) {
error1 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_X, 0, OVERFLOW_AUTO);
error2 = css__stylesheet_style_appendOPV(result,
CSS_PROP_OVERFLOW_Y, 0, OVERFLOW_AUTO);
} else {
error1 = CSS_INVALID;
}
if (error2 != CSS_OK)
error1 = error2;
if (error1 != CSS_OK)
*ctx = orig_ctx;
return error1;
}
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