Media queries: Move css_parse_media_query to parse/mq.c file.

It's now exposed in the mq.h header too.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/parse/mq.c b/src/parse/mq.c
index 214b5a2..e7227f7 100644
--- a/src/parse/mq.c
+++ b/src/parse/mq.c
@@ -1040,3 +1040,106 @@ css_error css__mq_parse_media_list(lwc_string **strings,
 	return CSS_OK;
 }
 
+typedef struct css_mq_parse_ctx {
+	lwc_string **strings;
+	css_mq_query *media;
+} css_mq_parse_ctx;
+
+static css_error css_parse_media_query_handle_event(
+		css_parser_event type,
+		const parserutils_vector *tokens,
+		void *pw)
+{
+	int idx = 0;
+	css_error err;
+	css_mq_query *media;
+	const css_token *tok;
+	css_mq_parse_ctx *ctx = pw;
+	lwc_string **strings = ctx->strings;
+
+	UNUSED(type);
+
+	/* Skip @media */
+	tok = parserutils_vector_iterate(tokens, &idx);
+	assert(tok->type == CSS_TOKEN_ATKEYWORD);
+	UNUSED(tok);
+
+	/* Skip whitespace */
+	tok = parserutils_vector_iterate(tokens, &idx);
+	assert(tok->type == CSS_TOKEN_S);
+	UNUSED(tok);
+
+	err = css__mq_parse_media_list(strings, tokens, &idx, &media);
+	if (err != CSS_OK) {
+		return CSS_OK;
+	}
+
+	ctx->media = media;
+	return CSS_OK;
+}
+
+css_error css_parse_media_query(lwc_string **strings,
+		const uint8_t *mq, size_t len,
+		css_mq_query **media_out)
+{
+	css_error err;
+	css_parser *parser;
+	css_mq_parse_ctx ctx = {
+		.strings = strings,
+	};
+	css_parser_optparams params_quirks = {
+		.quirks = false,
+	};
+	css_parser_optparams params_handler = {
+		.event_handler = {
+			.handler = css_parse_media_query_handle_event,
+			.pw = &ctx,
+		},
+	};
+
+	err = css__parser_create_for_media_query(NULL,
+			CSS_CHARSET_DEFAULT, &parser);
+	if (err != CSS_OK) {
+		return err;
+	}
+
+	err = css__parser_setopt(parser, CSS_PARSER_QUIRKS,
+			&params_quirks);
+	if (err != CSS_OK) {
+		css__parser_destroy(parser);
+		return err;
+	}
+
+	err = css__parser_setopt(parser, CSS_PARSER_EVENT_HANDLER,
+			&params_handler);
+	if (err != CSS_OK) {
+		css__parser_destroy(parser);
+		return err;
+	}
+
+	err = css__parser_parse_chunk(parser,
+			(const uint8_t *)"@media ",
+			          strlen("@media "));
+	if (err != CSS_OK && err != CSS_NEEDDATA) {
+		css__parser_destroy(parser);
+		return err;
+	}
+
+	err = css__parser_parse_chunk(parser, mq, len);
+	if (err != CSS_OK && err != CSS_NEEDDATA) {
+		css__parser_destroy(parser);
+		return err;
+	}
+
+	err = css__parser_completed(parser);
+	if (err != CSS_OK) {
+		css__parser_destroy(parser);
+		return err;
+	}
+
+	css__parser_destroy(parser);
+
+	*media_out = ctx.media;
+	return CSS_OK;
+}
+