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-rw-r--r--src/parse/properties/effects_stacking.c402
1 files changed, 0 insertions, 402 deletions
diff --git a/src/parse/properties/effects_stacking.c b/src/parse/properties/effects_stacking.c
deleted file mode 100644
index f032db4..0000000
--- a/src/parse/properties/effects_stacking.c
+++ /dev/null
@@ -1,402 +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 <string.h>
-
-#include "bytecode/bytecode.h"
-#include "bytecode/opcodes.h"
-#include "parse/properties/properties.h"
-#include "parse/properties/utils.h"
-
-/**
- * Parse clip
- *
- * \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_clip(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;
- int num_lengths = 0;
- css_fixed length[4] = { 0 };
- uint32_t unit[4] = { 0 };
- uint32_t required_size;
- bool match;
-
- /* FUNCTION(rect) [ [ IDENT(auto) | length ] CHAR(,)? ]{3}
- * [ IDENT(auto) | length ] CHAR{)} |
- * IDENT(auto, inherit) */
- token = parserutils_vector_iterate(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)) {
- flags = FLAG_INHERIT;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[AUTO],
- &match) == lwc_error_ok && match)) {
- value = CLIP_AUTO;
- } else if (token->type == CSS_TOKEN_FUNCTION &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[RECT],
- &match) == lwc_error_ok && match)) {
- int i;
- value = CLIP_SHAPE_RECT;
-
- for (i = 0; i < 4; i++) {
- consumeWhitespace(vector, ctx);
-
- token = parserutils_vector_peek(vector, *ctx);
- if (token == NULL) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if (token->type == CSS_TOKEN_IDENT) {
- /* Slightly magical way of generating the auto
- * values. These are bits 3-6 of the value. */
- if ((lwc_string_caseless_isequal(
- token->idata, c->strings[AUTO],
- &match) == lwc_error_ok &&
- match))
- value |= 1 << (i + 3);
- else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- parserutils_vector_iterate(vector, ctx);
- } else {
- error = parse_unit_specifier(c, vector, ctx,
- UNIT_PX,
- &length[num_lengths],
- &unit[num_lengths]);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- if (unit[num_lengths] & UNIT_ANGLE ||
- unit[num_lengths] & UNIT_TIME ||
- unit[num_lengths] & UNIT_FREQ ||
- unit[num_lengths] & UNIT_PCT) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- num_lengths++;
- }
-
- consumeWhitespace(vector, ctx);
-
- /* Consume optional comma after first 3 parameters */
- if (i < 3) {
- token = parserutils_vector_peek(vector, *ctx);
- if (token == NULL) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if (tokenIsChar(token, ','))
- parserutils_vector_iterate(vector, ctx);
- }
- }
-
- consumeWhitespace(vector, ctx);
-
- /* Finally, consume closing parenthesis */
- token = parserutils_vector_iterate(vector, ctx);
- if (token == NULL || tokenIsChar(token, ')') == false) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_CLIP, flags, value);
-
- required_size = sizeof(opv);
- if ((flags & FLAG_INHERIT) == false &&
- (value & CLIP_SHAPE_MASK) == CLIP_SHAPE_RECT) {
- required_size +=
- num_lengths * (sizeof(length[0]) + sizeof(unit[0]));
- }
-
- /* 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 & CLIP_SHAPE_MASK) == CLIP_SHAPE_RECT) {
- int i;
- uint8_t *ptr = ((uint8_t *) (*result)->bytecode) + sizeof(opv);
-
- for (i = 0; i < num_lengths; i++) {
- memcpy(ptr, &length[i], sizeof(length[i]));
- ptr += sizeof(length[i]);
- memcpy(ptr, &unit[i], sizeof(unit[i]));
- ptr += sizeof(unit[i]);
- }
- }
-
- return CSS_OK;
-}
-
-/**
- * Parse overflow
- *
- * \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_overflow(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *ident;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- bool match;
-
- /* IDENT (visible, hidden, scroll, auto, inherit) */
- ident = parserutils_vector_iterate(vector, ctx);
- if (ident == NULL || ident->type != CSS_TOKEN_IDENT) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags |= FLAG_INHERIT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[VISIBLE],
- &match) == lwc_error_ok && match)) {
- value = OVERFLOW_VISIBLE;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[HIDDEN],
- &match) == lwc_error_ok && match)) {
- value = OVERFLOW_HIDDEN;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[SCROLL],
- &match) == lwc_error_ok && match)) {
- value = OVERFLOW_SCROLL;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[AUTO],
- &match) == lwc_error_ok && match)) {
- value = OVERFLOW_AUTO;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_OVERFLOW, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
-
- return CSS_OK;
-}
-
-/**
- * Parse visibility
- *
- * \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_visibility(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- int orig_ctx = *ctx;
- css_error error;
- const css_token *ident;
- uint8_t flags = 0;
- uint16_t value = 0;
- uint32_t opv;
- bool match;
-
- /* IDENT (visible, hidden, collapse, inherit) */
- ident = parserutils_vector_iterate(vector, ctx);
- if (ident == NULL || ident->type != CSS_TOKEN_IDENT) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[INHERIT],
- &match) == lwc_error_ok && match)) {
- flags |= FLAG_INHERIT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[VISIBLE],
- &match) == lwc_error_ok && match)) {
- value = VISIBILITY_VISIBLE;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[HIDDEN],
- &match) == lwc_error_ok && match)) {
- value = VISIBILITY_HIDDEN;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[COLLAPSE],
- &match) == lwc_error_ok && match)) {
- value = VISIBILITY_COLLAPSE;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_VISIBILITY, flags, value);
-
- /* Allocate result */
- error = css_stylesheet_style_create(c->sheet, sizeof(opv), result);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- /* Copy the bytecode to it */
- memcpy((*result)->bytecode, &opv, sizeof(opv));
-
- return CSS_OK;
-}
-
-/**
- * Parse z-index
- *
- * \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_z_index(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 num = 0;
- uint32_t required_size;
- bool match;
-
- /* <integer> | IDENT (auto, inherit) */
- token = parserutils_vector_iterate(vector, ctx);
- if (token == NULL || (token->type != CSS_TOKEN_IDENT &&
- token->type != CSS_TOKEN_NUMBER)) {
- *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)) {
- flags |= FLAG_INHERIT;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[AUTO],
- &match) == lwc_error_ok && match)) {
- value = Z_INDEX_AUTO;
- } else if (token->type == CSS_TOKEN_NUMBER) {
- size_t consumed = 0;
- num = number_from_lwc_string(token->idata, true, &consumed);
- /* Invalid if there are trailing characters */
- if (consumed != lwc_string_length(token->idata)) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- value = Z_INDEX_SET;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_Z_INDEX, flags, value);
-
- required_size = sizeof(opv);
- if ((flags & FLAG_INHERIT) == false && value == Z_INDEX_SET)
- required_size += sizeof(num);
-
- /* 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 == Z_INDEX_SET) {
- memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv),
- &num, sizeof(num));
- }
-
- return CSS_OK;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 18:41:02 +0000