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Use new functional libsass C API
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@mgreter
mgreter committed Dec 15, 2014
1 parent bbbac5d commit 52f6857
Showing 1 changed file with 47 additions and 32 deletions.
79 changes: 47 additions & 32 deletions sassc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@
#include <stdlib.h>
#include <getopt.h>
#include <sass2scss.h>
#include <sass_interface.h>
#include <sass_context.h>

#ifndef SASSC_VERSION
#define SASSC_VERSION "[NA]"
Expand All @@ -16,7 +16,7 @@
#define PATH_SEP ':'
#endif

int output(int error_status, char* error_message, char* output_string, const char* outfile) {
int output(int error_status, const char* error_message, const char* output_string, const char* outfile) {
if (error_status) {
if (error_message) {
fprintf(stderr, "%s", error_message);
Expand Down Expand Up @@ -48,9 +48,9 @@ int output(int error_status, char* error_message, char* output_string, const cha
}
}

int compile_stdin(struct sass_options options, char* outfile) {
int compile_stdin(struct Sass_Options* options, char* outfile) {
int ret;
struct sass_context* ctx;
struct Sass_Data_Context* ctx;
char buffer[BUFSIZE];
size_t size = 1;
char *source_string = malloc(sizeof(char) * BUFSIZE);
Expand Down Expand Up @@ -80,34 +80,49 @@ int compile_stdin(struct sass_options options, char* outfile) {
exit(2);
}

ctx = sass_new_context();
ctx->options = options;
ctx->source_string = source_string;
sass_compile(ctx);
ret = output(ctx->error_status, ctx->error_message, ctx->output_string, outfile);

sass_free_context(ctx);
ctx = sass_make_data_context(source_string);
struct Sass_Context* ctx_out = sass_data_context_get_context(ctx);
sass_data_context_set_options(ctx, options);
sass_compile_data_context(ctx);
ret = output(
sass_context_get_error_status(ctx_out),
sass_context_get_error_message(ctx_out),
sass_context_get_output_string(ctx_out),
outfile
);
sass_delete_data_context(ctx);
free(source_string);
return ret;
}

int compile_file(struct sass_options options, char* input_path, char* outfile) {
int compile_file(struct Sass_Options* options, char* input_path, char* outfile) {
int ret;
char* source_map_file = 0;
struct sass_file_context* ctx = sass_new_file_context();
struct Sass_File_Context* ctx = sass_make_file_context(input_path);
struct Sass_Context* ctx_out = sass_file_context_get_context(ctx);
sass_option_set_output_path(options, outfile);
sass_file_context_set_options(ctx, options);

sass_compile_file_context(ctx);

ctx->options = options;
ctx->input_path = input_path;
ctx->output_path = outfile;
ret = output(
sass_context_get_error_status(ctx_out),
sass_context_get_error_message(ctx_out),
sass_context_get_output_string(ctx_out),
outfile
);

sass_compile_file(ctx);
ret = output(ctx->error_status, ctx->error_message, ctx->output_string, outfile);
if (ctx->options.source_map_file) {
ret = output(ctx->error_status, ctx->error_message, ctx->source_map_string, ctx->options.source_map_file);
if (sass_option_get_source_map_file(options)) {
ret = output(
sass_context_get_error_status(ctx_out),
sass_context_get_error_message(ctx_out),
sass_context_get_source_map_string(ctx_out),
sass_option_get_source_map_file(options)
);
}

free(source_map_file);
sass_free_file_context(ctx);
sass_delete_file_context(ctx);
return ret;
}

Expand Down Expand Up @@ -161,11 +176,11 @@ int main(int argc, char** argv) {
char *outfile = 0;
int from_stdin = 0;
bool generate_source_map = false;
struct sass_options options = { 0 };
options.output_style = SASS_STYLE_NESTED;
options.image_path = "images";
struct Sass_Options* options = sass_make_options();
sass_option_set_output_style(options, SASS_STYLE_NESTED);
sass_option_set_image_path(options, "images");
char *include_paths = NULL;
options.precision = 5;
sass_option_set_precision(options, 5);

int c, i;
int long_index = 0;
Expand Down Expand Up @@ -200,7 +215,7 @@ int main(int argc, char** argv) {
case 't':
for(i = 0; i < NUM_STYLE_OPTION_STRINGS; ++i) {
if(strcmp(optarg, style_option_strings[i].style_string) == 0) {
options.output_style = style_option_strings[i].output_style;
sass_option_set_output_style(options, style_option_strings[i].output_style);
break;
}
}
Expand All @@ -214,17 +229,17 @@ int main(int argc, char** argv) {
}
break;
case 'l':
options.source_comments = true;
sass_option_set_source_comments(options, true);
break;
case 'm':
generate_source_map = true;
break;
case 'M':
options.omit_source_map_url = true;
sass_option_set_omit_source_map_url(options, true);
break;
case 'p':
options.precision = atoi(optarg); // TODO: make this more robust
if (options.precision < 0) options.precision = 5;
sass_option_set_precision(options, atoi(optarg)); // TODO: make this more robust
if (sass_option_get_precision(options) < 0) sass_option_set_precision(options, 5);
break;
case 'v':
print_version(argv[0]);
Expand All @@ -242,7 +257,7 @@ int main(int argc, char** argv) {
}
}

options.include_paths = include_paths ? include_paths : "";
sass_option_set_include_path(options, include_paths ? include_paths : "");

if(optind < argc - 2) {
fprintf(stderr, "Error: Too many arguments.\n");
Expand All @@ -259,7 +274,7 @@ int main(int argc, char** argv) {
char* source_map_file = calloc(strlen(outfile) + strlen(extension) + 1, sizeof(char));
strcpy(source_map_file, outfile);
strcat(source_map_file, extension);
options.source_map_file = source_map_file;
sass_option_set_source_map_file(options, source_map_file);
}
result = compile_file(options, argv[optind], outfile);
} else {
Expand Down

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