aboutsummaryrefslogtreecommitdiffstats
path: root/src/cue
diff options
context:
space:
mode:
Diffstat (limited to 'src/cue')
-rw-r--r--src/cue/CueParser.cxx321
-rw-r--r--src/cue/CueParser.hxx133
2 files changed, 0 insertions, 454 deletions
diff --git a/src/cue/CueParser.cxx b/src/cue/CueParser.cxx
deleted file mode 100644
index 60b33b6b4..000000000
--- a/src/cue/CueParser.cxx
+++ /dev/null
@@ -1,321 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-#include "CueParser.hxx"
-#include "util/StringUtil.hxx"
-#include "util/CharUtil.hxx"
-#include "Song.hxx"
-#include "tag/Tag.hxx"
-
-#include <glib.h>
-
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-
-CueParser::CueParser()
- :state(HEADER), tag(new Tag()),
- current(nullptr),
- previous(nullptr),
- finished(nullptr),
- end(false) {}
-
-CueParser::~CueParser()
-{
- delete tag;
-
- if (current != nullptr)
- current->Free();
-
- if (previous != nullptr)
- previous->Free();
-
- if (finished != nullptr)
- finished->Free();
-}
-
-static const char *
-cue_next_word(char *p, char **pp)
-{
- assert(p >= *pp);
- assert(!IsWhitespaceNotNull(*p));
-
- const char *word = p;
- while (!IsWhitespaceOrNull(*p))
- ++p;
-
- *p = 0;
- *pp = p + 1;
- return word;
-}
-
-static const char *
-cue_next_quoted(char *p, char **pp)
-{
- assert(p >= *pp);
- assert(p[-1] == '"');
-
- char *end = strchr(p, '"');
- if (end == nullptr) {
- /* syntax error - ignore it silently */
- *pp = p + strlen(p);
- return p;
- }
-
- *end = 0;
- *pp = end + 1;
-
- return p;
-}
-
-static const char *
-cue_next_token(char **pp)
-{
- char *p = strchug_fast(*pp);
- if (*p == 0)
- return nullptr;
-
- return cue_next_word(p, pp);
-}
-
-static const char *
-cue_next_value(char **pp)
-{
- char *p = strchug_fast(*pp);
- if (*p == 0)
- return nullptr;
-
- if (*p == '"')
- return cue_next_quoted(p + 1, pp);
- else
- return cue_next_word(p, pp);
-}
-
-static void
-cue_add_tag(Tag &tag, TagType type, char *p)
-{
- const char *value = cue_next_value(&p);
- if (value != nullptr)
- tag.AddItem(type, value);
-
-}
-
-static void
-cue_parse_rem(char *p, Tag &tag)
-{
- const char *type = cue_next_token(&p);
- if (type == nullptr)
- return;
-
- TagType type2 = tag_name_parse_i(type);
- if (type2 != TAG_NUM_OF_ITEM_TYPES)
- cue_add_tag(tag, type2, p);
-}
-
-Tag *
-CueParser::GetCurrentTag()
-{
- if (state == HEADER)
- return tag;
- else if (state == TRACK)
- return current->tag;
- else
- return nullptr;
-}
-
-static int
-cue_parse_position(const char *p)
-{
- char *endptr;
- unsigned long minutes = strtoul(p, &endptr, 10);
- if (endptr == p || *endptr != ':')
- return -1;
-
- p = endptr + 1;
- unsigned long seconds = strtoul(p, &endptr, 10);
- if (endptr == p || *endptr != ':')
- return -1;
-
- p = endptr + 1;
- unsigned long frames = strtoul(p, &endptr, 10);
- if (endptr == p || *endptr != 0)
- return -1;
-
- return minutes * 60000 + seconds * 1000 + frames * 1000 / 75;
-}
-
-void
-CueParser::Commit()
-{
- /* the caller of this library must call cue_parser_get() often
- enough */
- assert(finished == nullptr);
- assert(!end);
-
- if (current == nullptr)
- return;
-
- finished = previous;
- previous = current;
- current = nullptr;
-}
-
-void
-CueParser::Feed2(char *p)
-{
- assert(!end);
- assert(p != nullptr);
-
- const char *command = cue_next_token(&p);
- if (command == nullptr)
- return;
-
- if (strcmp(command, "REM") == 0) {
- Tag *current_tag = GetCurrentTag();
- if (current_tag != nullptr)
- cue_parse_rem(p, *current_tag);
- } else if (strcmp(command, "PERFORMER") == 0) {
- /* MPD knows a "performer" tag, but it is not a good
- match for this CUE tag; from the Hydrogenaudio
- Knowledgebase: "At top-level this will specify the
- CD artist, while at track-level it specifies the
- track artist." */
-
- TagType type = state == TRACK
- ? TAG_ARTIST
- : TAG_ALBUM_ARTIST;
-
- Tag *current_tag = GetCurrentTag();
- if (current_tag != nullptr)
- cue_add_tag(*current_tag, type, p);
- } else if (strcmp(command, "TITLE") == 0) {
- if (state == HEADER)
- cue_add_tag(*tag, TAG_ALBUM, p);
- else if (state == TRACK)
- cue_add_tag(*current->tag, TAG_TITLE, p);
- } else if (strcmp(command, "FILE") == 0) {
- Commit();
-
- const char *new_filename = cue_next_value(&p);
- if (new_filename == nullptr)
- return;
-
- const char *type = cue_next_token(&p);
- if (type == nullptr)
- return;
-
- if (strcmp(type, "WAVE") != 0 &&
- strcmp(type, "MP3") != 0 &&
- strcmp(type, "AIFF") != 0) {
- state = IGNORE_FILE;
- return;
- }
-
- state = WAVE;
- filename = new_filename;
- } else if (state == IGNORE_FILE) {
- return;
- } else if (strcmp(command, "TRACK") == 0) {
- Commit();
-
- const char *nr = cue_next_token(&p);
- if (nr == nullptr)
- return;
-
- const char *type = cue_next_token(&p);
- if (type == nullptr)
- return;
-
- if (strcmp(type, "AUDIO") != 0) {
- state = IGNORE_TRACK;
- return;
- }
-
- state = TRACK;
- current = Song::NewRemote(filename.c_str());
- assert(current->tag == nullptr);
- current->tag = new Tag(*tag);
- current->tag->AddItem(TAG_TRACK, nr);
- last_updated = false;
- } else if (state == IGNORE_TRACK) {
- return;
- } else if (state == TRACK && strcmp(command, "INDEX") == 0) {
- const char *nr = cue_next_token(&p);
- if (nr == nullptr)
- return;
-
- const char *position = cue_next_token(&p);
- if (position == nullptr)
- return;
-
- int position_ms = cue_parse_position(position);
- if (position_ms < 0)
- return;
-
- if (!last_updated && previous != nullptr &&
- previous->start_ms < (unsigned)position_ms) {
- last_updated = true;
- previous->end_ms = position_ms;
- previous->tag->time =
- (previous->end_ms - previous->start_ms + 500) / 1000;
- }
-
- current->start_ms = position_ms;
- }
-}
-
-void
-CueParser::Feed(const char *line)
-{
- assert(!end);
- assert(line != nullptr);
-
- char *allocated = g_strdup(line);
- Feed2(allocated);
- g_free(allocated);
-}
-
-void
-CueParser::Finish()
-{
- if (end)
- /* has already been called, ignore */
- return;
-
- Commit();
- end = true;
-}
-
-Song *
-CueParser::Get()
-{
- if (finished == nullptr && end) {
- /* cue_parser_finish() has been called already:
- deliver all remaining (partial) results */
- assert(current == nullptr);
-
- finished = previous;
- previous = nullptr;
- }
-
- Song *song = finished;
- finished = nullptr;
- return song;
-}
diff --git a/src/cue/CueParser.hxx b/src/cue/CueParser.hxx
deleted file mode 100644
index abcceaa2e..000000000
--- a/src/cue/CueParser.hxx
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
- * http://www.musicpd.org
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#ifndef MPD_CUE_PARSER_HXX
-#define MPD_CUE_PARSER_HXX
-
-#include "check.h"
-#include "Compiler.h"
-
-#include <string>
-
-struct Song;
-struct Tag;
-
-class CueParser {
- enum {
- /**
- * Parsing the CUE header.
- */
- HEADER,
-
- /**
- * Parsing a "FILE ... WAVE".
- */
- WAVE,
-
- /**
- * Ignore everything until the next "FILE".
- */
- IGNORE_FILE,
-
- /**
- * Parsing a "TRACK ... AUDIO".
- */
- TRACK,
-
- /**
- * Ignore everything until the next "TRACK".
- */
- IGNORE_TRACK,
- } state;
-
- Tag *tag;
-
- std::string filename;
-
- /**
- * The song currently being edited.
- */
- Song *current;
-
- /**
- * The previous song. It is remembered because its end_time
- * will be set to the current song's start time.
- */
- Song *previous;
-
- /**
- * A song that is completely finished and can be returned to
- * the caller via cue_parser_get().
- */
- Song *finished;
-
- /**
- * Set to true after previous.end_time has been updated to the
- * start time of the current song.
- */
- bool last_updated;
-
- /**
- * Tracks whether cue_parser_finish() has been called. If
- * true, then all remaining (partial) results will be
- * delivered by cue_parser_get().
- */
- bool end;
-
-public:
- CueParser();
- ~CueParser();
-
- /**
- * Feed a text line from the CUE file into the parser. Call
- * cue_parser_get() after this to see if a song has been finished.
- */
- void Feed(const char *line);
-
- /**
- * Tell the parser that the end of the file has been reached. Call
- * cue_parser_get() after this to see if a song has been finished.
- * This procedure must be done twice!
- */
- void Finish();
-
- /**
- * Check if a song was finished by the last cue_parser_feed() or
- * cue_parser_finish() call.
- *
- * @return a song object that must be freed by the caller, or NULL if
- * no song was finished at this time
- */
- Song *Get();
-
-private:
- gcc_pure
- Tag *GetCurrentTag();
-
- /**
- * Commit the current song. It will be moved to "previous",
- * so the next song may soon edit its end time (using the next
- * song's start time).
- */
- void Commit();
-
- void Feed2(char *p);
-};
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-10 17:44:56 +0000