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/*
* blogc: A blog compiler.
* Copyright (C) 2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
*
* This program can be distributed under the terms of the BSD License.
* See the file LICENSE.
*/
#include <sys/stat.h>
#include <libgen.h>
#include <time.h>
#include <stdlib.h>
#include <stdbool.h>
#include "../common/error.h"
#include "../common/file.h"
#include "../common/utils.h"
#include "atom.h"
#include "settings.h"
#include "ctx.h"
bm_filectx_t*
bm_filectx_new(bm_ctx_t *ctx, const char *filename)
{
if (ctx == NULL || filename == NULL)
return NULL;
char *f = filename[0] == '/' ? bc_strdup(filename) :
bc_strdup_printf("%s/%s", ctx->root_dir, filename);
bm_filectx_t *rv = bc_malloc(sizeof(bm_filectx_t));
rv->path = f;
rv->short_path = bc_strdup(filename);
struct stat buf;
if (0 != stat(f, &buf)) {
struct timespec ts;
ts.tv_sec = 0;
ts.tv_nsec = 0;
rv->timestamp = ts;
rv->readable = false;
}
else {
rv->timestamp = buf.st_mtim;
rv->readable = true;
}
return rv;
}
void
bm_filectx_free(bm_filectx_t *fctx)
{
if (fctx == NULL)
return;
free(fctx->path);
free(fctx->short_path);
free(fctx);
}
bm_ctx_t*
bm_ctx_new(const char *settings_file, bc_error_t **err)
{
if (settings_file == NULL || err == NULL || *err != NULL)
return NULL;
size_t content_len;
char *content = bc_file_get_contents(settings_file, true, &content_len,
err);
if (*err != NULL)
return NULL;
bm_settings_t *settings = bm_settings_parse(content, content_len, err);
if (*err != NULL) {
free(content);
return NULL;
}
free(content);
// fix output_dir, if forced from environment variable
const char *output_dir_env = getenv("OUTPUT_DIR");
if (output_dir_env != NULL) {
bc_trie_insert(settings->settings, "output_dir",
bc_strdup(output_dir_env));
}
char *atom_template = bm_atom_deploy(settings, err);
if (*err != NULL) {
return NULL;
}
bm_ctx_t *rv = bc_malloc(sizeof(bm_ctx_t));
rv->settings = settings;
char *real_filename = realpath(settings_file, NULL);
rv->settings_fctx = bm_filectx_new(rv, real_filename);
rv->root_dir = realpath(dirname(real_filename), NULL);
free(real_filename);
const char *output_dir = bc_trie_lookup(settings->settings, "output_dir");
if (output_dir[0] == '/') {
rv->output_dir = realpath(output_dir, NULL);
}
else {
char *tmp = bc_strdup_printf("%s/%s", rv->root_dir, output_dir);
rv->output_dir = realpath(tmp, NULL);
free(tmp);
}
const char *template_dir = bc_trie_lookup(settings->settings,
"template_dir");
char *main_template = bc_strdup_printf("%s/%s", template_dir,
bc_trie_lookup(settings->settings, "main_template"));
rv->main_template_fctx = bm_filectx_new(rv, main_template);
free(main_template);
rv->atom_template_fctx = bm_filectx_new(rv, atom_template);
free(atom_template);
const char *content_dir = bc_trie_lookup(settings->settings, "content_dir");
const char *post_prefix = bc_trie_lookup(settings->settings, "post_prefix");
const char *source_ext = bc_trie_lookup(settings->settings, "source_ext");
rv->posts_fctx = NULL;
if (settings->posts != NULL) {
for (size_t i = 0; settings->posts[i] != NULL; i++) {
char *f = bc_strdup_printf("%s/%s/%s%s", content_dir, post_prefix,
settings->posts[i], source_ext);
rv->posts_fctx = bc_slist_append(rv->posts_fctx,
bm_filectx_new(rv, f));
free(f);
}
}
rv->pages_fctx = NULL;
if (settings->pages != NULL) {
for (size_t i = 0; settings->pages[i] != NULL; i++) {
char *f = bc_strdup_printf("%s/%s%s", content_dir,
settings->pages[i], source_ext);
rv->pages_fctx = bc_slist_append(rv->pages_fctx,
bm_filectx_new(rv, f));
free(f);
}
}
rv->copy_files_fctx = NULL;
if (settings->copy_files != NULL) {
for (size_t i = 0; settings->copy_files[i] != NULL; i++) {
rv->copy_files_fctx = bc_slist_append(rv->copy_files_fctx,
bm_filectx_new(rv, settings->copy_files[i]));
}
}
return rv;
}
void
bm_ctx_free(bm_ctx_t *ctx)
{
if (ctx == NULL)
return;
bm_settings_free(ctx->settings);
free(ctx->root_dir);
free(ctx->output_dir);
bm_atom_destroy(ctx->atom_template_fctx->path);
bm_filectx_free(ctx->main_template_fctx);
bm_filectx_free(ctx->atom_template_fctx);
bm_filectx_free(ctx->settings_fctx);
bc_slist_free_full(ctx->posts_fctx, (bc_free_func_t) bm_filectx_free);
bc_slist_free_full(ctx->pages_fctx, (bc_free_func_t) bm_filectx_free);
bc_slist_free_full(ctx->copy_files_fctx, (bc_free_func_t) bm_filectx_free);
free(ctx);
}
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