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#include "mupdf/fitz.h"
typedef struct fz_directory_s fz_directory;
struct fz_directory_s
{
fz_archive super;
char *path;
};
static void drop_directory(fz_context *ctx, fz_archive *arch)
{
fz_directory *dir = (fz_directory *) arch;
fz_free(ctx, dir->path);
}
static fz_stream *open_dir_entry(fz_context *ctx, fz_archive *arch, const char *name)
{
fz_directory *dir = (fz_directory *) arch;
char path[2048];
fz_strlcpy(path, dir->path, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, name, sizeof path);
return fz_open_file(ctx, path);
}
static fz_buffer *read_dir_entry(fz_context *ctx, fz_archive *arch, const char *name)
{
fz_directory *dir = (fz_directory *) arch;
char path[2048];
fz_strlcpy(path, dir->path, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, name, sizeof path);
return fz_read_file(ctx, path);
}
static int has_dir_entry(fz_context *ctx, fz_archive *arch, const char *name)
{
fz_directory *dir = (fz_directory *) arch;
char path[2048];
fz_strlcpy(path, dir->path, sizeof path);
fz_strlcat(path, "/", sizeof path);
fz_strlcat(path, name, sizeof path);
return fz_file_exists(ctx, path);
}
int
fz_is_directory(fz_context *ctx, const char *path)
{
struct stat info;
if (stat(path, &info) < 0)
fz_throw(ctx, FZ_ERROR_GENERIC, "cannot stat: %s", strerror(errno));
return info.st_mode & S_IFDIR;
}
fz_archive *
fz_open_directory(fz_context *ctx, const char *path)
{
fz_directory *dir;
if (!fz_is_directory(ctx, path))
fz_throw(ctx, FZ_ERROR_GENERIC, "'%s' is not a directory", path);
dir = fz_new_derived_archive(ctx, NULL, fz_directory);
dir->super.format = "dir";
dir->super.has_entry = has_dir_entry;
dir->super.read_entry = read_dir_entry;
dir->super.open_entry = open_dir_entry;
dir->super.drop_archive = drop_directory;
fz_try(ctx)
{
dir->path = fz_strdup(ctx, path);
}
fz_catch(ctx)
{
fz_drop_archive(ctx, &dir->super);
fz_rethrow(ctx);
}
return &dir->super;
}
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