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/*
* blogc: A blog compiler.
* Copyright (C) 2014-2019 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <sass.h>
#include <errno.h>
#include <libgen.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "ctx.h"
#include "exec-native.h"
#include "rules.h"
#include "./sass.h"
#include "../common/utils.h"
bc_slist_t*
bm_sass_outputlist(bm_ctx_t *ctx)
{
if (ctx == NULL || ctx->settings == NULL || ctx->settings->sass == NULL)
return NULL;
bc_slist_t *rv = NULL;
for (size_t i = 0; ctx->settings->sass[i] != NULL; i++) {
char *t = bc_strdup(ctx->settings->sass[i]);
for (int i = strlen(t); i >= 0 ; i--) {
if (t[i] == '.') {
t[i] = '\0';
break;
}
}
char *f = bc_strdup_printf("%s/%s.css", ctx->short_output_dir, t);
free(t);
rv = bc_slist_append(rv, bm_filectx_new(ctx, f, NULL, NULL));
free(f);
}
return rv;
}
int
bm_sass_exec(bm_ctx_t *ctx, bc_slist_t *outputs, bc_trie_t *args)
{
if (ctx == NULL || ctx->settings == NULL || ctx->settings->sass == NULL)
return 0;
int rv = 0;
size_t i = 0;
bc_slist_t *o = outputs;
for (; ctx->settings->sass[i] != NULL, o != NULL; i++, o = o->next) {
bm_filectx_t *o_fctx = o->data;
if (o_fctx == NULL)
continue;
if (bc_str_starts_with(basename(ctx->settings->sass[i]), "_")) {
fprintf(stderr, "blogc-make: error: sass: Mixins must be included "
"by other files (%s)\n", ctx->settings->sass[i]);
return 3;
}
if (!bc_str_ends_with(ctx->settings->sass[i], ".scss")) {
fprintf(stderr, "blogc-make: error: sass: Only .scss Sass sources "
"are supported (%s)\n", ctx->settings->sass[i]);
return 3;
}
bm_filectx_t *f = bm_filectx_new(ctx, ctx->settings->sass[i], NULL, NULL);
struct Sass_File_Context *fctx = sass_make_file_context(f->path);
struct Sass_Context *sctx = sass_file_context_get_context(fctx);
struct Sass_Compiler *comp = sass_make_file_compiler(fctx);
struct Sass_Options *opts = sass_context_get_options(sctx);
sass_option_set_output_style(opts, SASS_STYLE_COMPRESSED);
char *sass_dir = bc_strdup_printf("%s/sass", ctx->root_dir);
sass_option_push_include_path(opts, sass_dir);
free(sass_dir);
sass_dir = bc_strdup_printf("%s/_sass", ctx->root_dir);
sass_option_push_include_path(opts, sass_dir);
free(sass_dir);
bc_slist_t *sources = NULL;
rv = sass_compiler_parse(comp);
if (rv != 0 || 0 != sass_context_get_error_status(sctx)) {
fprintf(stderr, "blogc-make: error: sass: %s\n%s",
o_fctx->path, sass_context_get_error_message(sctx));
rv = 3;
goto clean;
}
char **inc = sass_context_get_included_files(sctx);
for (size_t i = 0; inc != NULL && inc[i] != NULL; i++) {
sources = bc_slist_append(sources, bm_filectx_new(ctx, inc[i], NULL, NULL));
}
if (!bm_rule_need_rebuild(sources, ctx->settings_fctx, NULL, NULL, o_fctx, false))
goto clean;
if (ctx->verbose)
printf("Compiling '%s' to '%s'\n", f->path, o_fctx->path);
else
printf(" SASS %s\n", o_fctx->short_path);
fflush(stdout);
rv = sass_compiler_execute(comp);
if (rv != 0 || 0 != sass_context_get_error_status(sctx)) {
fprintf(stderr, "blogc-make: error: sass: %s\n%s",
o_fctx->path, sass_context_get_error_message(sctx));
rv = 3;
goto clean;
}
rv = bm_exec_native_mkdir_p(o_fctx->path);
if (rv != 0)
goto clean;
FILE *fp = fopen(o_fctx->path, "w");
if (fp == NULL) {
fprintf(stderr, "blogc-make: error: sass: failed to open output "
"file (%s): %s\n", o_fctx->path, strerror(errno));
rv = 3;
goto clean;
}
fputs(sass_context_get_output_string(sctx), fp);
fclose(fp);
clean:
bm_filectx_free(f);
bc_slist_free_full(sources, (bc_free_func_t) bm_filectx_free);
sass_delete_compiler(comp);
sass_delete_file_context(fctx);
if (rv != 0)
return rv;
}
return 0;
}
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