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-rw-r--r--src/parse/properties/positioning.c540
1 files changed, 0 insertions, 540 deletions
diff --git a/src/parse/properties/positioning.c b/src/parse/properties/positioning.c
deleted file mode 100644
index 9e5ac73..0000000
--- a/src/parse/properties/positioning.c
+++ /dev/null
@@ -1,540 +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"
-
-static css_error parse_side(css_language *c,
- const parserutils_vector *vector, int *ctx,
- uint16_t op, css_style **result);
-
-/**
- * Parse bottom
- *
- * \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_bottom(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- return parse_side(c, vector, ctx, CSS_PROP_BOTTOM, result);
-}
-
-/**
- * Parse left
- *
- * \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_left(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- return parse_side(c, vector, ctx, CSS_PROP_LEFT, result);
-}
-
-/**
- * Parse right
- *
- * \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_right(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- return parse_side(c, vector, ctx, CSS_PROP_RIGHT, result);
-}
-
-/**
- * Parse top
- *
- * \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_top(css_language *c,
- const parserutils_vector *vector, int *ctx,
- css_style **result)
-{
- return parse_side(c, vector, ctx, CSS_PROP_TOP, result);
-}
-
-/**
- * Parse position
- *
- * \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_position(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 (static, relative, absolute, fixed, 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[LIBCSS_STATIC],
- &match) == lwc_error_ok && match)) {
- value = POSITION_STATIC;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[RELATIVE],
- &match) == lwc_error_ok && match)) {
- value = POSITION_RELATIVE;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[ABSOLUTE],
- &match) == lwc_error_ok && match)) {
- value = POSITION_ABSOLUTE;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[FIXED],
- &match) == lwc_error_ok && match)) {
- value = POSITION_FIXED;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_POSITION, 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 clear
- *
- * \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_clear(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 (left, right, both, none, 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[RIGHT],
- &match) == lwc_error_ok && match)) {
- value = CLEAR_RIGHT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[LEFT],
- &match) == lwc_error_ok && match)) {
- value = CLEAR_LEFT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[BOTH],
- &match) == lwc_error_ok && match)) {
- value = CLEAR_BOTH;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[NONE],
- &match) == lwc_error_ok && match)) {
- value = CLEAR_NONE;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_CLEAR, 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 float
- *
- * \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_float(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 (left, right, none, 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[LEFT],
- &match) == lwc_error_ok && match)) {
- value = FLOAT_LEFT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[RIGHT],
- &match) == lwc_error_ok && match)) {
- value = FLOAT_RIGHT;
- } else if ((lwc_string_caseless_isequal(
- ident->idata, c->strings[NONE],
- &match) == lwc_error_ok && match)) {
- value = FLOAT_NONE;
- } else {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- opv = buildOPV(CSS_PROP_FLOAT, 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 vertical-align
- *
- * \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_vertical_align(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;
-
- /* length | percentage | IDENT(baseline, sub, super, top, text-top,
- * middle, bottom, text-bottom, 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[BASELINE],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_BASELINE;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[SUB],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_SUB;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[SUPER],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_SUPER;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[TOP],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_TOP;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[TEXT_TOP],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_TEXT_TOP;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[MIDDLE],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_MIDDLE;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[BOTTOM],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_BOTTOM;
- } else if (token->type == CSS_TOKEN_IDENT &&
- (lwc_string_caseless_isequal(
- token->idata, c->strings[TEXT_BOTTOM],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = VERTICAL_ALIGN_TEXT_BOTTOM;
- } else {
- error = parse_unit_specifier(c, vector, ctx, UNIT_PX,
- &length, &unit);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- if (unit & UNIT_ANGLE || unit & UNIT_TIME || unit & UNIT_FREQ) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- value = VERTICAL_ALIGN_SET;
- }
-
- opv = buildOPV(CSS_PROP_VERTICAL_ALIGN, flags, value);
-
- required_size = sizeof(opv);
- if ((flags & FLAG_INHERIT) == false && value == VERTICAL_ALIGN_SET)
- 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 == VERTICAL_ALIGN_SET) {
- memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv),
- &length, sizeof(length));
- memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) +
- sizeof(length), &unit, sizeof(unit));
- }
-
- return CSS_OK;
-}
-
-/**
- * Parse {top,right,bottom,left}
- *
- * \param c Parsing context
- * \param vector Vector of tokens to process
- * \param ctx Pointer to vector iteration context
- * \param op Opcode to parse for
- * \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_side(css_language *c,
- const parserutils_vector *vector, int *ctx,
- uint16_t op, 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;
-
- /* length | percentage | IDENT(auto, 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[AUTO],
- &match) == lwc_error_ok && match)) {
- parserutils_vector_iterate(vector, ctx);
- value = BOTTOM_AUTO;
- } else {
- error = parse_unit_specifier(c, vector, ctx, UNIT_PX,
- &length, &unit);
- if (error != CSS_OK) {
- *ctx = orig_ctx;
- return error;
- }
-
- if (unit & UNIT_ANGLE || unit & UNIT_TIME || unit & UNIT_FREQ) {
- *ctx = orig_ctx;
- return CSS_INVALID;
- }
-
- value = BOTTOM_SET;
- }
-
- opv = buildOPV(op, flags, value);
-
- required_size = sizeof(opv);
- if ((flags & FLAG_INHERIT) == false && value == BOTTOM_SET)
- 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 == BOTTOM_SET) {
- memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv),
- &length, sizeof(length));
- memcpy(((uint8_t *) (*result)->bytecode) + sizeof(opv) +
- sizeof(length), &unit, sizeof(unit));
- }
-
- return CSS_OK;
-}
-