From a324baae03e4018c2c1aa8e4692505f8fcbe7172 Mon Sep 17 00:00:00 2001
From: John Mark Bell <jmb@netsurf-browser.org>
Date: Wed, 30 Jul 2008 20:05:15 +0000
Subject: Implement the first-stage parser. Things missing:

  1) Recovery after parse errors
  2) Event emission (the locations of DEBUG_EVENTS are about right for this)
  3) A second-stage parser
  4) Any kind of testsuite

svn path=/trunk/libcss/; revision=4825
---
 test/INDEX               |  1 +
 test/Makefile            |  2 +-
 test/data/css/INDEX      |  1 +
 test/data/css/blocks.css | 10 ++++++
 test/parse.c             | 79 ++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 92 insertions(+), 1 deletion(-)
 create mode 100644 test/data/css/blocks.css
 create mode 100644 test/parse.c

(limited to 'test')

diff --git a/test/INDEX b/test/INDEX
index b35be5c..fcf08f5 100644
--- a/test/INDEX
+++ b/test/INDEX
@@ -6,6 +6,7 @@ libcss		Library initialisation/finalisation
 csdetect	Character set detection			csdetect
 lex		Lexing					css
 lex-auto	Automated lexer tests			lex
+parse		Parsing					css
 
 # Regression tests
 
diff --git a/test/Makefile b/test/Makefile
index e2a97c6..a8363f4 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -35,7 +35,7 @@ d              := $(DIR)
 CFLAGS := $(CFLAGS) -I$(TOP)/src/ -I$(d)
 
 # Tests
-TESTS_$(d) := csdetect lex lex-auto libcss
+TESTS_$(d) := csdetect lex lex-auto libcss parse
 TESTS_$(d) := $(TESTS_$(d))
 
 # Items for top-level makefile to use
diff --git a/test/data/css/INDEX b/test/data/css/INDEX
index 531d4a5..4d46ba2 100644
--- a/test/data/css/INDEX
+++ b/test/data/css/INDEX
@@ -4,3 +4,4 @@
 
 simple.css		Reasonably simple CSS file (semantically invalid)
 allzengarden.css	All CSS Zen Garden stylesheets concatenated
+blocks.css		Basic blocks and at-rule syntax
diff --git a/test/data/css/blocks.css b/test/data/css/blocks.css
new file mode 100644
index 0000000..9ecd720
--- /dev/null
+++ b/test/data/css/blocks.css
@@ -0,0 +1,10 @@
+@charset "UTF-8";
+
+@import "simple.css";
+
+@media screen
+{
+	body { background-color: green; }
+}
+
+
diff --git a/test/parse.c b/test/parse.c
new file mode 100644
index 0000000..f24aa76
--- /dev/null
+++ b/test/parse.c
@@ -0,0 +1,79 @@
+#include <inttypes.h>
+#include <stdio.h>
+
+#include <libcss/libcss.h>
+
+#include "charset/detect.h"
+#include "utils/utils.h"
+
+#include "parse/parse.h"
+
+#include "testutils.h"
+
+static void *myrealloc(void *ptr, size_t len, void *pw)
+{
+	UNUSED(pw);
+
+	return realloc(ptr, len);
+}
+
+int main(int argc, char **argv)
+{
+	css_parser *parser;
+	FILE *fp;
+	size_t len, origlen;
+#define CHUNK_SIZE (4096)
+	uint8_t buf[CHUNK_SIZE];
+	css_error error;
+
+	if (argc != 3) {
+		printf("Usage: %s <aliases_file> <filename>\n", argv[0]);
+		return 1;
+	}
+
+	/* Initialise library */
+	assert(css_initialise(argv[1], myrealloc, NULL) == CSS_OK);
+
+	parser = css_parser_create((css_stylesheet *) 10, 
+			"UTF-8", CSS_CHARSET_DICTATED, myrealloc, NULL);
+	assert(parser != NULL);
+
+	fp = fopen(argv[2], "rb");
+	if (fp == NULL) {
+		printf("Failed opening %s\n", argv[2]);
+		return 1;
+	}
+
+	fseek(fp, 0, SEEK_END);
+	origlen = len = ftell(fp);
+	fseek(fp, 0, SEEK_SET);
+
+	while (len >= CHUNK_SIZE) {
+		fread(buf, 1, CHUNK_SIZE, fp);
+
+		error = css_parser_parse_chunk(parser, buf, CHUNK_SIZE);
+		assert(error == CSS_OK || error == CSS_NEEDDATA);
+	}
+
+	if (len > 0) {
+		fread(buf, 1, len, fp);
+
+		error = css_parser_parse_chunk(parser, buf, len);
+		assert(error == CSS_OK || error == CSS_NEEDDATA);
+
+		len = 0;
+	}
+
+	fclose(fp);
+
+	assert(css_parser_completed(parser) == CSS_OK);
+
+	css_parser_destroy(parser);
+
+	assert(css_finalise(myrealloc, NULL) == CSS_OK);
+
+	printf("PASS\n");
+
+	return 0;
+}
+
-- 
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