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-rw-r--r--src/parse/properties.c259
1 files changed, 254 insertions, 5 deletions
diff --git a/src/parse/properties.c b/src/parse/properties.c
index 9f6e69a..9b27408 100644
--- a/src/parse/properties.c
+++ b/src/parse/properties.c
@@ -1489,11 +1489,260 @@ css_error parse_content(css_language *c,
const parserutils_vector *vector, int *ctx,
css_style **result)
{
- /** \todo content */
- UNUSED(c);
- UNUSED(vector);
- UNUSED(ctx);
- UNUSED(result);
+ css_error error;
+ const css_token *token;
+ uint8_t flags = 0;
+ uint16_t value = 0;
+ uint32_t opv;
+ uint32_t required_size = sizeof(opv);
+ int temp_ctx = *ctx;
+
+ /* IDENT(normal, none, inherit) |
+ * [
+ * IDENT(open-quote, close-quote, no-open-quote, no-close-quote) |
+ * STRING | URI |
+ * FUNCTION(attr) IDENT ')' |
+ * FUNCTION(counter) IDENT IDENT? ')' |
+ * FUNCTION(counters) IDENT STRING IDENT? ')'
+ * ]+
+ */
+
+ /* Pass 1: Calculate required size & validate input */
+ token = parserutils_vector_peek(vector, temp_ctx);
+ if (token == NULL)
+ return CSS_INVALID;
+
+ if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower == c->strings[INHERIT]) {
+ flags = FLAG_INHERIT;
+ } else if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower == c->strings[NORMAL]) {
+ value = CONTENT_NORMAL;
+ } else if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower == c->strings[NONE]) {
+ value = CONTENT_NONE;
+ } else {
+ bool done_value = false;
+
+ while (token != NULL && tokenIsChar(token, '!') == false) {
+ if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower ==
+ c->strings[OPEN_QUOTE]) {
+ if (done_value == false) {
+ value = CONTENT_OPEN_QUOTE;
+ } else {
+ required_size += sizeof(opv);
+ }
+ } else if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower ==
+ c->strings[CLOSE_QUOTE]) {
+ if (done_value == false) {
+ value = CONTENT_CLOSE_QUOTE;
+ } else {
+ required_size += sizeof(opv);
+ }
+ } else if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower ==
+ c->strings[NO_OPEN_QUOTE]) {
+ if (done_value == false) {
+ value = CONTENT_NO_OPEN_QUOTE;
+ } else {
+ required_size += sizeof(opv);
+ }
+ } else if (token->type == CSS_TOKEN_IDENT &&
+ token->ilower ==
+ c->strings[NO_CLOSE_QUOTE]) {
+ if (done_value == false) {
+ value = CONTENT_NO_CLOSE_QUOTE;
+ } else {
+ required_size += sizeof(opv);
+ }
+ } else if (token->type == CSS_TOKEN_STRING) {
+ if (done_value == false) {
+ value = CONTENT_STRING;
+ } else {
+ required_size += sizeof(opv);
+ }
+
+ required_size +=
+ sizeof(parserutils_hash_entry *);
+ } else if (token->type == CSS_TOKEN_URI) {
+ if (done_value == false) {
+ value = CONTENT_URI;
+ } else {
+ required_size += sizeof(opv);
+ }
+
+ required_size +=
+ sizeof(parserutils_hash_entry *);
+ } else if (token->type == CSS_TOKEN_FUNCTION &&
+ token->ilower == c->strings[ATTR]) {
+ if (done_value == false) {
+ value = CONTENT_ATTR;
+ } else {
+ required_size += sizeof(opv);
+ }
+
+ parserutils_vector_iterate(vector, &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Expect IDENT */
+ token = parserutils_vector_iterate(vector,
+ &temp_ctx);
+ if (token == NULL ||
+ token->type != CSS_TOKEN_IDENT)
+ return CSS_INVALID;
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Expect ')' */
+ token = parserutils_vector_peek(vector,
+ temp_ctx);
+ if (token == NULL || tokenIsChar(token, ')') ==
+ false)
+ return CSS_INVALID;
+
+ required_size +=
+ sizeof(parserutils_hash_entry *);
+ } else if (token->type == CSS_TOKEN_FUNCTION &&
+ token->ilower == c->strings[COUNTER]) {
+ if (done_value == false) {
+ value = CONTENT_COUNTER;
+ } else {
+ required_size += sizeof(opv);
+ }
+
+ parserutils_vector_iterate(vector, &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Expect IDENT */
+ token = parserutils_vector_iterate(vector,
+ &temp_ctx);
+ if (token == NULL ||
+ token->type != CSS_TOKEN_IDENT)
+ return CSS_INVALID;
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Possible IDENT */
+ token = parserutils_vector_peek(vector,
+ temp_ctx);
+ if (token == NULL ||
+ (token->type != CSS_TOKEN_IDENT &&
+ tokenIsChar(token, ')') ==
+ false))
+ return CSS_INVALID;
+
+ if (token->type == CSS_TOKEN_IDENT) {
+ /** \todo validate list-style-type */
+ if (done_value == false) {
+ /** \todo or style into value */
+ }
+
+ parserutils_vector_iterate(vector,
+ &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ token = parserutils_vector_peek(vector,
+ temp_ctx);
+ if (token == NULL || tokenIsChar(token,
+ ')') == false)
+ return CSS_INVALID;
+ }
+
+ required_size +=
+ sizeof(parserutils_hash_entry *);
+ } else if (token->type == CSS_TOKEN_FUNCTION &&
+ token->ilower == c->strings[COUNTERS]) {
+ if (done_value == false) {
+ value = CONTENT_COUNTERS;
+ } else {
+ required_size += sizeof(opv);
+ }
+
+ parserutils_vector_iterate(vector, &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Expect IDENT */
+ token = parserutils_vector_iterate(vector,
+ &temp_ctx);
+ if (token == NULL ||
+ token->type != CSS_TOKEN_IDENT)
+ return CSS_INVALID;
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Expect STRING */
+ token = parserutils_vector_iterate(vector,
+ &temp_ctx);
+ if (token == NULL ||
+ token->type != CSS_TOKEN_STRING)
+ return CSS_INVALID;
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ /* Possible IDENT */
+ token = parserutils_vector_peek(vector,
+ temp_ctx);
+ if (token == NULL ||
+ (token->type != CSS_TOKEN_IDENT &&
+ tokenIsChar(token, ')') ==
+ false))
+ return CSS_INVALID;
+
+ if (token->type == CSS_TOKEN_IDENT) {
+ /** \todo validate list-style-type */
+ if (done_value == false) {
+ /** \todo or style into value */
+ }
+
+ parserutils_vector_iterate(vector,
+ &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ token = parserutils_vector_peek(vector,
+ temp_ctx);
+ if (token == NULL || tokenIsChar(token,
+ ')') == false)
+ return CSS_INVALID;
+ }
+
+ required_size +=
+ 2 * sizeof(parserutils_hash_entry *);
+ } else {
+ return CSS_INVALID;
+ }
+
+ done_value = true;
+
+ parserutils_vector_iterate(vector, &temp_ctx);
+
+ consumeWhitespace(vector, &temp_ctx);
+
+ token = parserutils_vector_peek(vector, temp_ctx);
+ }
+
+ /* Add on extra space for list terminator */
+ required_size += sizeof(opv);
+ }
+
+ error = parse_important(c, vector, &temp_ctx, &flags);
+ if (error != CSS_OK)
+ return error;
+
+ opv = buildOPV(OP_CONTENT, flags, value);
+
+ /* Allocate result */
+ error = css_stylesheet_style_create(c->sheet, required_size, result);
+ if (error != CSS_OK)
+ return error;
+
+ /** \todo Pass 2: construct bytecode */
return CSS_OK;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-20 06:31:02 +0000