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sass_interface.cpp
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170 lines (154 loc) · 5.34 KB
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#ifdef _WIN32
#include <io.h>
#else
#include <unistd.h>
#endif
#include <iostream>
#include <sstream>
#include <string>
#include <cstdlib>
#include <iostream>
#include "document.hpp"
#include "eval_apply.hpp"
#include "error.hpp"
#include "sass_interface.h"
extern "C" {
using namespace std;
sass_context* sass_new_context()
{ return (sass_context*) calloc(1, sizeof(sass_context)); }
void sass_free_context(sass_context* ctx)
{
if (ctx->output_string) free(ctx->output_string);
if (ctx->error_message) free(ctx->error_message);
free(ctx);
}
sass_file_context* sass_new_file_context()
{ return (sass_file_context*) calloc(1, sizeof(sass_file_context)); }
void sass_free_file_context(sass_file_context* ctx)
{
if (ctx->output_string) free(ctx->output_string);
if (ctx->error_message) free(ctx->error_message);
free(ctx);
}
sass_folder_context* sass_new_folder_context()
{ return (sass_folder_context*) calloc(1, sizeof(sass_folder_context)); }
void sass_free_folder_context(sass_folder_context* ctx)
{
if (ctx->error_message) free(ctx->error_message);
free(ctx);
}
static char* process_document(Sass::Document& doc, int style)
{
using namespace Sass;
Backtrace root_trace(0, "", 0, "");
doc.parse_scss();
expand(doc.root,
Node(),
doc.context.global_env,
doc.context.function_env,
doc.context.new_Node,
doc.context,
root_trace);
// extend_selectors(doc.context.pending_extensions, doc.context.extensions, doc.context.new_Node);
if (doc.context.has_extensions) extend(doc.root, doc.context.extensions, doc.context.new_Node);
string output(doc.emit_css(static_cast<Document::CSS_Style>(style)));
char* c_output = (char*) malloc(output.size() + 1);
strcpy(c_output, output.c_str());
return c_output;
}
int sass_compile(sass_context* c_ctx)
{
using namespace Sass;
try {
Context cpp_ctx(c_ctx->options.include_paths, c_ctx->options.image_path, c_ctx->options.source_comments);
// cpp_ctx.image_path = c_ctx->options.image_path;
// Document doc(0, c_ctx->input_string, cpp_ctx);
Document doc(Document::make_from_source_chars(cpp_ctx, c_ctx->source_string));
c_ctx->output_string = process_document(doc, c_ctx->options.output_style);
c_ctx->error_message = 0;
c_ctx->error_status = 0;
}
catch (Error& e) {
stringstream msg_stream;
msg_stream << e.path << ":" << e.line << ": error: " << e.message << endl;
string msg(msg_stream.str());
char* msg_str = (char*) malloc(msg.size() + 1);
strcpy(msg_str, msg.c_str());
c_ctx->error_status = 1;
c_ctx->output_string = 0;
c_ctx->error_message = msg_str;
}
catch(bad_alloc& ba) {
stringstream msg_stream;
msg_stream << "Unable to allocate memory: " << ba.what() << endl;
string msg(msg_stream.str());
char* msg_str = (char*) malloc(msg.size() + 1);
strcpy(msg_str, msg.c_str());
c_ctx->error_status = 1;
c_ctx->output_string = 0;
c_ctx->error_message = msg_str;
}
// TO DO: CATCH EVERYTHING ELSE
return 0;
}
int sass_compile_file(sass_file_context* c_ctx)
{
using namespace Sass;
Context cpp_ctx(c_ctx->options.include_paths, c_ctx->options.image_path, c_ctx->options.source_comments);
try {
Document doc(Document::make_from_file(cpp_ctx, string(c_ctx->input_path)));
c_ctx->output_string = process_document(doc, c_ctx->options.output_style);
c_ctx->error_message = 0;
c_ctx->error_status = 0;
}
catch (Error& e) {
stringstream msg_stream;
msg_stream << e.path << ":" << e.line << ": error: " << e.message << endl;
string msg(msg_stream.str());
char* msg_str = (char*) malloc(msg.size() + 1);
strcpy(msg_str, msg.c_str());
c_ctx->error_status = 1;
c_ctx->output_string = 0;
c_ctx->error_message = msg_str;
}
catch(bad_alloc& ba) {
stringstream msg_stream;
msg_stream << "Unable to allocate memory: " << ba.what() << endl;
string msg(msg_stream.str());
char* msg_str = (char*) malloc(msg.size() + 1);
strcpy(msg_str, msg.c_str());
c_ctx->error_status = 1;
c_ctx->output_string = 0;
c_ctx->error_message = msg_str;
}
catch(string& bad_path) {
for (vector<string>::iterator path = cpp_ctx.include_paths.begin(); path < cpp_ctx.include_paths.end(); ++path) {
try {
Document doc(Document::make_from_file(cpp_ctx, *path + string(c_ctx->input_path)));
c_ctx->output_string = process_document(doc, c_ctx->options.output_style);
c_ctx->error_message = 0;
c_ctx->error_status = 0;
return 0;
}
catch (string& bad_path) {
// continue looping
}
}
// couldn't find the specified file in the include paths; report an error
stringstream msg_stream;
msg_stream << "error reading file \"" << bad_path << "\"" << endl;
string msg(msg_stream.str());
char* msg_str = (char*) malloc(msg.size() + 1);
strcpy(msg_str, msg.c_str());
c_ctx->error_status = 1;
c_ctx->output_string = 0;
c_ctx->error_message = msg_str;
}
// TO DO: CATCH EVERYTHING ELSE
return 0;
}
int sass_compile_folder(sass_folder_context* c_ctx)
{
return 1;
}
}