332 lines
7.8 KiB
C
332 lines
7.8 KiB
C
#include <inttypes.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <parserutils/input/inputstream.h>
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#include <libcss/libcss.h>
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#include "charset/detect.h"
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#include "lex/lex.h"
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#include "utils/utils.h"
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#include "testutils.h"
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typedef struct exp_entry {
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css_token_type type;
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#define EXP_ENTRY_TEXT_LEN (128)
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char text[EXP_ENTRY_TEXT_LEN];
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size_t textLen;
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bool hasText;
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} exp_entry;
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typedef struct line_ctx {
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size_t buflen;
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size_t bufused;
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uint8_t *buf;
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size_t explen;
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size_t expused;
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exp_entry *exp;
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bool indata;
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bool inexp;
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} line_ctx;
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static bool handle_line(const char *data, size_t datalen, void *pw);
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static void css__parse_expected(line_ctx *ctx, const char *data, size_t len);
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static const char *string_from_type(css_token_type type);
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static css_token_type string_to_type(const char *data, size_t len);
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static void run_test(const uint8_t *data, size_t len,
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exp_entry *exp, size_t explen);
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static void *myrealloc(void *data, size_t len, void *pw)
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{
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UNUSED(pw);
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return realloc(data, len);
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}
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int main(int argc, char **argv)
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{
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line_ctx ctx;
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if (argc != 2) {
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printf("Usage: %s <filename>\n", argv[0]);
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return 1;
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}
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ctx.buflen = css__parse_filesize(argv[1]);
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if (ctx.buflen == 0)
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return 1;
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ctx.buf = malloc(ctx.buflen);
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if (ctx.buf == NULL) {
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printf("Failed allocating %u bytes\n",
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(unsigned int) ctx.buflen);
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return 1;
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}
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ctx.buf[0] = '\0';
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ctx.bufused = 0;
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ctx.explen = 0;
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ctx.expused = 0;
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ctx.exp = NULL;
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ctx.indata = false;
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ctx.inexp = false;
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assert(css__parse_testfile(argv[1], handle_line, &ctx) == true);
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/* and run final test */
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if (ctx.bufused > 0)
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run_test(ctx.buf, ctx.bufused, ctx.exp, ctx.expused);
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free(ctx.buf);
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free(ctx.exp);
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printf("PASS\n");
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return 0;
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}
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bool handle_line(const char *data, size_t datalen, void *pw)
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{
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line_ctx *ctx = (line_ctx *) pw;
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if (data[0] == '#') {
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if (ctx->inexp) {
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/* This marks end of testcase, so run it */
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run_test(ctx->buf, ctx->bufused,
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ctx->exp, ctx->expused);
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ctx->buf[0] = '\0';
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ctx->bufused = 0;
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ctx->expused = 0;
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}
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if (ctx->indata && strncasecmp(data+1, "expected", 8) == 0) {
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ctx->indata = false;
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ctx->inexp = true;
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} else if (!ctx->indata) {
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ctx->indata = (strncasecmp(data+1, "data", 4) == 0);
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ctx->inexp = (strncasecmp(data+1, "expected", 8) == 0);
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} else {
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memcpy(ctx->buf + ctx->bufused, data, datalen);
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ctx->bufused += datalen;
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}
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} else {
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if (ctx->indata) {
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memcpy(ctx->buf + ctx->bufused, data, datalen);
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ctx->bufused += datalen;
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}
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if (ctx->inexp) {
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if (data[datalen - 1] == '\n')
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datalen -= 1;
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css__parse_expected(ctx, data, datalen);
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}
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}
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return true;
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}
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void css__parse_expected(line_ctx *ctx, const char *data, size_t len)
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{
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css_token_type type;
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const char *colon = css__parse_strnchr(data, len, ':');
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if (colon == NULL)
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colon = data + len;
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type = string_to_type(data, colon - data);
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/* Append to list of expected tokens */
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if (ctx->expused == ctx->explen) {
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size_t num = ctx->explen == 0 ? 4 : ctx->explen;
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exp_entry *temp = realloc(ctx->exp,
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num * 2 * sizeof(exp_entry));
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if (temp == NULL) {
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assert(0 && "No memory for expected tokens");
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}
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ctx->exp = temp;
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ctx->explen = num * 2;
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}
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ctx->exp[ctx->expused].type = type;
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ctx->exp[ctx->expused].textLen = 0;
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ctx->exp[ctx->expused].hasText = (colon != data + len);
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if (colon != data + len) {
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const char *p = colon + 1;
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bool escape = false;
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for (len = len - (colon + 1 - data); len > 0; len--, p++) {
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char c;
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if (escape == false && *p == '\\') {
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escape = true;
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continue;
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}
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if (escape) {
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switch (*p) {
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case 'n':
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c = 0xa;
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break;
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case 't':
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c = 0x9;
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break;
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default:
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c = *p;
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break;
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}
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escape = false;
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} else {
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c = *p;
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}
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ctx->exp[ctx->expused].text[
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ctx->exp[ctx->expused].textLen] = c;
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ctx->exp[ctx->expused].textLen++;
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assert(ctx->exp[ctx->expused].textLen <
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EXP_ENTRY_TEXT_LEN);
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}
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}
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ctx->expused++;
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}
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const char *string_from_type(css_token_type type)
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{
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const char *names[] =
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{
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"IDENT", "ATKEYWORD", "HASH", "FUNCTION", "STRING", "INVALID",
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"URI", "UNICODE-RANGE", "CHAR", "NUMBER", "PERCENTAGE",
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"DIMENSION", "last_intern", "CDO", "CDC", "S", "COMMENT",
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"INCLUDES", "DASHMATCH", "PREFIXMATCH", "SUFFIXMATCH",
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"SUBSTRINGMATCH", "EOF"
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};
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return names[type];
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}
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css_token_type string_to_type(const char *data, size_t len)
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{
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if (len == 5 && strncasecmp(data, "IDENT", len) == 0)
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return CSS_TOKEN_IDENT;
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else if (len == 9 && strncasecmp(data, "ATKEYWORD", len) == 0)
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return CSS_TOKEN_ATKEYWORD;
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else if (len == 6 && strncasecmp(data, "STRING", len) == 0)
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return CSS_TOKEN_STRING;
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else if (len == 7 && strncasecmp(data, "INVALID", len) == 0)
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return CSS_TOKEN_INVALID_STRING;
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else if (len == 4 && strncasecmp(data, "HASH", len) == 0)
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return CSS_TOKEN_HASH;
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else if (len == 6 && strncasecmp(data, "NUMBER", len) == 0)
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return CSS_TOKEN_NUMBER;
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else if (len == 10 && strncasecmp(data, "PERCENTAGE", len) == 0)
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return CSS_TOKEN_PERCENTAGE;
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else if (len == 9 && strncasecmp(data, "DIMENSION", len) == 0)
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return CSS_TOKEN_DIMENSION;
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else if (len == 3 && strncasecmp(data, "URI", len) == 0)
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return CSS_TOKEN_URI;
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else if (len == 13 && strncasecmp(data, "UNICODE-RANGE", len) == 0)
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return CSS_TOKEN_UNICODE_RANGE;
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else if (len == 3 && strncasecmp(data, "CDO", len) == 0)
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return CSS_TOKEN_CDO;
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else if (len == 3 && strncasecmp(data, "CDC", len) == 0)
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return CSS_TOKEN_CDC;
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else if (len == 1 && strncasecmp(data, "S", len) == 0)
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return CSS_TOKEN_S;
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else if (len == 7 && strncasecmp(data, "COMMENT", len) == 0)
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return CSS_TOKEN_COMMENT;
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else if (len == 8 && strncasecmp(data, "FUNCTION", len) == 0)
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return CSS_TOKEN_FUNCTION;
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else if (len == 8 && strncasecmp(data, "INCLUDES", len) == 0)
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return CSS_TOKEN_INCLUDES;
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else if (len == 9 && strncasecmp(data, "DASHMATCH", len) == 0)
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return CSS_TOKEN_DASHMATCH;
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else if (len == 11 && strncasecmp(data, "PREFIXMATCH", len) == 0)
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return CSS_TOKEN_PREFIXMATCH;
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else if (len == 11 && strncasecmp(data, "SUFFIXMATCH", len) == 0)
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return CSS_TOKEN_SUFFIXMATCH;
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else if (len == 14 && strncasecmp(data, "SUBSTRINGMATCH", len) == 0)
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return CSS_TOKEN_SUBSTRINGMATCH;
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else if (len == 4 && strncasecmp(data, "CHAR", len) == 0)
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return CSS_TOKEN_CHAR;
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else
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return CSS_TOKEN_EOF;
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}
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void run_test(const uint8_t *data, size_t len, exp_entry *exp, size_t explen)
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{
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parserutils_inputstream *input;
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css_lexer *lexer;
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css_error error;
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css_token *tok;
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size_t e;
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static int testnum;
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assert(parserutils_inputstream_create("UTF-8", CSS_CHARSET_DICTATED,
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css__charset_extract, myrealloc, NULL, &input) ==
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PARSERUTILS_OK);
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assert(css__lexer_create(input, myrealloc, NULL, &lexer) == CSS_OK);
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assert(parserutils_inputstream_append(input, data, len) ==
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PARSERUTILS_OK);
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assert(parserutils_inputstream_append(input, NULL, 0) ==
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PARSERUTILS_OK);
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e = 0;
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testnum++;
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while ((error = css__lexer_get_token(lexer, &tok)) == CSS_OK) {
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if (tok->type != exp[e].type) {
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printf("%d: Got token %s, Expected %s [%d, %d]\n",
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testnum, string_from_type(tok->type),
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string_from_type(exp[e].type),
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tok->line, tok->col);
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assert(0 && "Types differ");
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}
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if (exp[e].hasText) {
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if (tok->data.len != exp[e].textLen) {
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printf("%d: Got length %d, Expected %d\n",
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testnum, (int) tok->data.len,
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(int) exp[e].textLen);
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assert(0 && "Text lengths differ");
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}
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if (strncmp((char *) tok->data.data, exp[e].text,
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tok->data.len) != 0) {
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printf("%d: Got data '%.*s', Expected '%.*s'\n",
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testnum,
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(int) tok->data.len, tok->data.data,
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(int) exp[e].textLen, exp[e].text);
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assert(0 && "Text differs");
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}
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}
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e++;
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if (tok->type == CSS_TOKEN_EOF)
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break;
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}
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assert(e == explen);
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css__lexer_destroy(lexer);
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parserutils_inputstream_destroy(input);
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printf("Test %d: PASS\n", testnum);
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}
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