4bf29827f8
* Quicksave 1 * Header stage complete * Source stage complete * Lint & merge fixes * Includes * Documentation step 1 * FBT: output free size considering BT STACK * Documentation step 2 * py lint * Fix music player plugin * unit test stage 1: string allocator, mem, getters, setters, appends, compare, search. * unit test: string equality * unit test: string replace * unit test: string start_with, end_with * unit test: string trim * unit test: utf-8 * Rename * Revert fw_size changes * Simplify CLI backspace handling * Simplify CLI character insert * Merge fixes * Furi: correct filenaming and spelling * Bt: remove furi string include Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
#include "manifest.h"
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#include <toolbox/stream/buffered_file_stream.h>
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#include <toolbox/hex.h>
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struct ResourceManifestReader {
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Storage* storage;
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Stream* stream;
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FuriString* linebuf;
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ResourceManifestEntry entry;
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};
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ResourceManifestReader* resource_manifest_reader_alloc(Storage* storage) {
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ResourceManifestReader* resource_manifest =
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(ResourceManifestReader*)malloc(sizeof(ResourceManifestReader));
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resource_manifest->storage = storage;
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resource_manifest->stream = buffered_file_stream_alloc(resource_manifest->storage);
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memset(&resource_manifest->entry, 0, sizeof(ResourceManifestEntry));
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resource_manifest->entry.name = furi_string_alloc();
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resource_manifest->linebuf = furi_string_alloc();
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return resource_manifest;
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}
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void resource_manifest_reader_free(ResourceManifestReader* resource_manifest) {
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furi_assert(resource_manifest);
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furi_string_free(resource_manifest->linebuf);
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furi_string_free(resource_manifest->entry.name);
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buffered_file_stream_close(resource_manifest->stream);
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stream_free(resource_manifest->stream);
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free(resource_manifest);
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}
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bool resource_manifest_reader_open(ResourceManifestReader* resource_manifest, const char* filename) {
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furi_assert(resource_manifest);
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return buffered_file_stream_open(
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resource_manifest->stream, filename, FSAM_READ, FSOM_OPEN_EXISTING);
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}
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/* Read entries in format of
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* F:<hash>:<size>:<name>
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* D:<name>
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*/
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ResourceManifestEntry* resource_manifest_reader_next(ResourceManifestReader* resource_manifest) {
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furi_assert(resource_manifest);
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furi_string_reset(resource_manifest->entry.name);
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resource_manifest->entry.type = ResourceManifestEntryTypeUnknown;
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resource_manifest->entry.size = 0;
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memset(resource_manifest->entry.hash, 0, sizeof(resource_manifest->entry.hash));
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do {
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if(!stream_read_line(resource_manifest->stream, resource_manifest->linebuf)) {
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return NULL;
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}
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/* Trim end of line */
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furi_string_trim(resource_manifest->linebuf);
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char type_code = furi_string_get_char(resource_manifest->linebuf, 0);
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switch(type_code) {
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case 'F':
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resource_manifest->entry.type = ResourceManifestEntryTypeFile;
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break;
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case 'D':
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resource_manifest->entry.type = ResourceManifestEntryTypeDirectory;
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break;
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default: /* Skip other entries - version, timestamp, etc */
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continue;
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};
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if(resource_manifest->entry.type == ResourceManifestEntryTypeFile) {
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/* Parse file entry
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F:<hash>:<size>:<name> */
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/* Remove entry type code */
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furi_string_right(resource_manifest->linebuf, 2);
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if(furi_string_search_char(resource_manifest->linebuf, ':') !=
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sizeof(resource_manifest->entry.hash) * 2) {
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/* Invalid hash */
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continue;
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}
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/* Read hash */
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hex_chars_to_uint8(
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furi_string_get_cstr(resource_manifest->linebuf), resource_manifest->entry.hash);
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/* Remove hash */
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furi_string_right(
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resource_manifest->linebuf, sizeof(resource_manifest->entry.hash) * 2 + 1);
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resource_manifest->entry.size = atoi(furi_string_get_cstr(resource_manifest->linebuf));
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/* Remove size */
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size_t offs = furi_string_search_char(resource_manifest->linebuf, ':');
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furi_string_right(resource_manifest->linebuf, offs + 1);
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furi_string_set(resource_manifest->entry.name, resource_manifest->linebuf);
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} else if(resource_manifest->entry.type == ResourceManifestEntryTypeDirectory) {
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/* Parse directory entry
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D:<name> */
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/* Remove entry type code */
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furi_string_right(resource_manifest->linebuf, 2);
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furi_string_set(resource_manifest->entry.name, resource_manifest->linebuf);
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}
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return &resource_manifest->entry;
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} while(true);
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return NULL;
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}
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