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#include "render.h"
#include <stdio.h>
#include <stdlib.h>
#include "fs.h"
#include "log.h"
#include "site.h"
static bool
images_walk(struct bstnode *node, void *data)
{
struct image *image = node->value;
hashmap_insert(image->map, "source", image->url_image);
hashmap_insert(image->map, "date", image->datestr);
struct bstnode *prev = bstree_predecessor(node),
*next = bstree_successor(node);
char *url;
if (prev) {
url = ((struct image *)prev->value)->url;
hashmap_insert(image->map, "prev", url);
}
if (next) {
url = ((struct image *)next->value)->url;
hashmap_insert(image->map, "next", url);
}
hashmap_insert(image->thumb, "link", image->url);
hashmap_insert(image->thumb, "source", image->url_thumb);
vector_push(image->album->thumbs, image->thumb);
return true;
}
static struct hashmap *
years_push_new_year(struct vector *years, char *yearstr)
{
struct hashmap *year = hashmap_new_with_cap(4);
struct vector *albums = vector_new(8);
hashmap_insert(year, "name", yearstr);
hashmap_insert(year, "albums", albums);
vector_push(years, year);
return year;
}
static void
years_push_album(struct vector *years, struct album *album)
{
struct hashmap *year;
struct vector *albums;
if (years->size == 0) {
year = years_push_new_year(years, album->year);
} else {
year = years->values[years->size - 1];
char *yearstr = hashmap_get(year, "name");
if (strcmp(yearstr, album->year)) {
year = years_push_new_year(years, album->year);
}
}
albums = hashmap_get(year, "albums");
vector_push(albums, album->map);
}
static void
year_walk(const void *k, void *v)
{
if (!strcmp(k, "albums")) {
struct vector *albums = v;
vector_free(albums);
}
}
static void
years_destroy(struct vector *years)
{
for (size_t i = 0; i < years->size; i++) {
struct hashmap *year = years->values[i];
hashmap_walk(year, year_walk);
hashmap_free(year);
}
vector_free(years);
}
static bool
albums_walk(struct bstnode *node, void *data)
{
struct album *album = node->value;
struct render *r = data;
hashmap_insert(album->map, "title", album->config->title);
hashmap_insert(album->map, "desc", album->config->desc);
hashmap_insert(album->map, "link", album->url);
hashmap_insert(album->map, "date", (char *)album->datestr);
hashmap_insert(album->map, "year", album->year);
bstree_inorder_walk(album->images->root, images_walk, NULL);
for (uint32_t i = 0;
i < album->thumbs->size && i < album->previews->cap; i++) {
vector_push(album->previews, album->thumbs->values[i]);
}
hashmap_insert(album->map, "thumbs", album->thumbs);
hashmap_insert(album->map, "previews", album->previews);
years_push_album(r->years, album);
vector_push(r->albums, album->map);
return true;
}
static bool
render(struct env *env, const char *tmpl, const char *opath,
struct hashmap *vars)
{
bool ok = true;
char *output = template(env, tmpl, vars);
size_t outlen = strlen(output);
FILE *f = fopen(opath, "w");
if (fwrite(output, 1, outlen, f) != outlen) {
ok = false;
log_printl_errno(LOG_FATAL, "Can't write %s", opath);
}
fclose(f);
free(output);
return ok;
}
#define RENDER_MAKE_START \
bool ok = true; \
int isupdate = file_is_uptodate(path, &r->modtime); \
if (isupdate == -1) return false; \
if (isupdate == 1) return true; \
log_print(LOG_INFO, "Rendering %s...", path); \
if (r->dry_run) goto done
#define RENDER_MAKE_END \
setdatetime(path, &r->modtime); \
done: \
log_printf(LOG_INFO, " done.\n"); \
return ok
bool
render_make_index(struct render *r, const char *path)
{
RENDER_MAKE_START;
hashmap_insert(r->common_vars, "years", r->years);
hashmap_insert(r->common_vars, "albums", r->years);
ok = render(r->env, "index.html", path, r->common_vars);
hashmap_remove(r->common_vars, "years");
hashmap_remove(r->common_vars, "albums");
RENDER_MAKE_END;
}
bool
render_make_album(struct render *r, const char *path, const struct album *album)
{
if (!r->dry_run) hashmap_insert(r->common_vars, "album", album->map);
RENDER_MAKE_START;
ok = render(r->env, "album.html", path, r->common_vars);
/*
* Since we actually still want this album's map for the image inside the
* album, we don't remove it.
*/
RENDER_MAKE_END;
}
bool
render_make_image(struct render *r, const char *path, const struct image *image)
{
RENDER_MAKE_START;
hashmap_insert(r->common_vars, "image", image->map);
ok = render(r->env, "image.html", path, r->common_vars);
hashmap_remove(r->common_vars, "image");
RENDER_MAKE_END;
}
bool
render_init(struct render *r, const char *root, struct site_config *conf,
struct bstree *albums)
{
char *tmplpath = joinpath(root, TEMPLATESDIR);
struct stat tstat;
if (stat(tmplpath, &tstat) == -1) {
if (errno == ENOENT) {
free(tmplpath);
tmplpath = joinpath(SITE_DEFAULT_RESOURCES, TEMPLATESDIR);
} else {
log_printl_errno(LOG_FATAL, "Unable to read templates dir");
return false;
}
}
r->modtime = tstat.st_mtim;
if (r->dry_run) goto cleanup;
r->env = env_new(tmplpath);
if (r->env == NULL) {
log_printl_errno(LOG_FATAL, "Couldn't initialize template engine");
return false;
}
r->years = vector_new(8);
r->albums = vector_new(64);
r->common_vars = hashmap_new_with_cap(8);
hashmap_insert(r->common_vars, "title", conf->title);
if (strlen(conf->base_url) == 0) {
hashmap_insert(r->common_vars, "index", "/");
} else {
hashmap_insert(r->common_vars, "index", conf->base_url);
}
bstree_inorder_walk(albums->root, albums_walk, (void *)r);
cleanup:
free(tmplpath);
return true;
}
void
render_deinit(struct render *r)
{
env_free(r->env);
years_destroy(r->years);
vector_free(r->albums);
hashmap_free(r->common_vars);
}
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