sut_configparser.c
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/* See COPYING.txt for the full license governing this code. */
/**
* \file sut_configparser.c
*
* Source file for the parser for SUT config files.
*/
#include <limits.h>
#include <string.h>
#include <SDL_test.h>
#include <SDL_rwops.h>
#include "SDL_visualtest_sut_configparser.h"
#include "SDL_visualtest_parsehelper.h"
#include "SDL_visualtest_rwhelper.h"
int
SDLVisualTest_ParseSUTConfig(char* file, SDLVisualTest_SUTConfig* config)
{
char line[MAX_SUTOPTION_LINE_LENGTH];
SDLVisualTest_RWHelperBuffer buffer;
char* token_ptr;
char* token_end;
int num_lines, i, token_len;
SDL_RWops* rw;
if(!file)
{
SDLTest_LogError("file argument cannot be NULL");
return 0;
}
if(!config)
{
SDLTest_LogError("config argument cannot be NULL");
return 0;
}
/* count the number of lines */
rw = SDL_RWFromFile(file, "r");
if(!rw)
{
SDLTest_LogError("SDL_RWFromFile() failed");
return 0;
}
SDLVisualTest_RWHelperResetBuffer(&buffer);
num_lines = SDLVisualTest_RWHelperCountNonEmptyLines(rw, &buffer, '#');
if(num_lines == -1)
return 0;
else if(num_lines == 0)
{
config->options = NULL;
config->num_options = 0;
SDL_RWclose(rw);
return 1;
}
/* allocate memory */
SDL_RWseek(rw, 0, RW_SEEK_SET);
SDLVisualTest_RWHelperResetBuffer(&buffer);
config->num_options = num_lines;
config->options = (SDLVisualTest_SUTOption*)SDL_malloc(num_lines *
sizeof(SDLVisualTest_SUTOption));
if(!config->options)
{
SDLTest_LogError("malloc() failed");
SDL_RWclose(rw);
return 0;
}
/* actually parse the options */
for(i = 0; i < num_lines; i++)
{
if(!SDLVisualTest_RWHelperReadLine(rw, line, MAX_SUTOPTION_LINE_LENGTH,
&buffer, '#'))
{
SDLTest_LogError("SDLVisualTest_RWHelperReadLine() failed");
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
/* parse name */
token_ptr = strtok(line, ", ");
if(!token_ptr)
{
SDLTest_LogError("Could not parse line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
token_len = SDL_strlen(token_ptr) + 1;
SDL_strlcpy(config->options[i].name, token_ptr, token_len);
/* parse type */
token_ptr = strtok(NULL, ", ");
if(!token_ptr)
{
SDLTest_LogError("Could not parse line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
if(SDL_strcmp(token_ptr, "string") == 0)
config->options[i].type = SDL_SUT_OPTIONTYPE_STRING;
else if(SDL_strcmp(token_ptr, "integer") == 0)
config->options[i].type = SDL_SUT_OPTIONTYPE_INT;
else if(SDL_strcmp(token_ptr, "enum") == 0)
config->options[i].type = SDL_SUT_OPTIONTYPE_ENUM;
else if(SDL_strcmp(token_ptr, "boolean") == 0)
config->options[i].type = SDL_SUT_OPTIONTYPE_BOOL;
else
{
SDLTest_LogError("Could not parse type token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
/* parse values */
token_ptr = strtok(NULL, "]");
if(!token_ptr)
{
SDLTest_LogError("Could not parse line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
token_ptr = SDL_strchr(token_ptr, '[');
if(!token_ptr)
{
SDLTest_LogError("Could not parse enum token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
token_ptr++;
if(config->options[i].type == SDL_SUT_OPTIONTYPE_INT)
{
if(SDL_sscanf(token_ptr, "%d %d", &config->options[i].data.range.min,
&config->options[i].data.range.max) != 2)
{
config->options[i].data.range.min = INT_MIN;
config->options[i].data.range.max = INT_MAX;
}
}
else if(config->options[i].type == SDL_SUT_OPTIONTYPE_ENUM)
{
config->options[i].data.enum_values = SDLVisualTest_Tokenize(token_ptr,
MAX_SUTOPTION_ENUMVAL_LEN);
if(!config->options[i].data.enum_values)
{
SDLTest_LogError("Could not parse enum token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
}
/* parse required */
token_ptr = strtok(NULL, ", ");
if(!token_ptr)
{
SDLTest_LogError("Could not parse line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
if(SDL_strcmp(token_ptr, "true") == 0)
config->options[i].required = SDL_TRUE;
else if(SDL_strcmp(token_ptr, "false") == 0)
config->options[i].required = SDL_FALSE;
else
{
SDLTest_LogError("Could not parse required token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
/* parse categories */
token_ptr = strtok(NULL, ",");
if(!token_ptr)
{
SDLTest_LogError("Could not parse line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
token_ptr = SDL_strchr(token_ptr, '[');
if(!token_ptr)
{
SDLTest_LogError("Could not parse enum token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
token_ptr++;
token_end = SDL_strchr(token_ptr, ']');
*token_end = '\0';
if(!token_end)
{
SDLTest_LogError("Could not parse enum token at line %d", i + 1);
SDL_free(config->options);
SDL_RWclose(rw);
return 0;
}
config->options[i].categories = SDLVisualTest_Tokenize(token_ptr,
MAX_SUTOPTION_CATEGORY_LEN);
}
SDL_RWclose(rw);
return 1;
}
void
SDLVisualTest_FreeSUTConfig(SDLVisualTest_SUTConfig* config)
{
if(config && config->options)
{
SDLVisualTest_SUTOption* option;
for(option = config->options;
option != config->options + config->num_options; option++)
{
if(option->categories)
SDL_free(option->categories);
if(option->type == SDL_SUT_OPTIONTYPE_ENUM && option->data.enum_values)
SDL_free(option->data.enum_values);
}
SDL_free(config->options);
config->options = NULL;
config->num_options = 0;
}
}