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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-12-09 22:20:21 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2015-12-09 22:20:21 +0000
commitfbfb4e16cc7761a5aefcae7cacf662fec7092c92 (patch)
tree0a1f90f31434d7c8fc766c97df33cb3e2456ef75 /Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h
parentb4c906f1397a603ffc06957cb835ddd687c8fe2b (diff)
Import Gregorio-4.0.0.
git-svn-id: svn://tug.org/texlive/trunk@39063 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h')
-rw-r--r--Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h b/Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h
new file mode 100644
index 00000000000..73c7f64f60a
--- /dev/null
+++ b/Build/source/texk/gregorio/gregorio-src/src/gabc/gabc.h
@@ -0,0 +1,87 @@
+/*
+ * Gregorio is a program that translates gabc files to GregorioTeX
+ * This header prototypes gabc-format handling data structures and entry points.
+ *
+ * Copyright (C) 2006-2015 The Gregorio Project (see CONTRIBUTORS.md)
+ *
+ * This file is part of Gregorio.
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GABC_H
+#define GABC_H
+
+#define GABC_CURRENT_VERSION "0.9.3"
+
+#include "struct.h"
+
+/* functions to read gabc */
+gregorio_note *gabc_det_notes_from_string(char *str, char *macros[10],
+ gregorio_scanner_location *loc);
+gregorio_element *gabc_det_elements_from_string(char *str, int *current_key,
+ char *macros[10], gregorio_scanner_location *loc);
+gregorio_glyph *gabc_det_glyphs_from_notes(gregorio_note *current_note,
+ int *current_key);
+void gabc_digest(const void *buf, size_t size);
+int gabc_score_determination_lex_destroy(void);
+int gabc_notes_determination_lex_destroy(void);
+
+/* see comments on gregorio_add_note_to_a_glyph for meaning of these
+ * variables */
+typedef enum gabc_determination {
+ DET_NO_END,
+ DET_END_OF_CURRENT,
+ DET_END_OF_PREVIOUS,
+ DET_END_OF_BOTH
+} gabc_determination;
+
+/* defines the maximal interval between two notes of the same glyph */
+#define MAX_INTERVAL 5
+
+static __inline void gabc_update_location(gregorio_scanner_location *const loc,
+ const char *const bytes, const size_t length)
+{
+ size_t i;
+
+ /* to be compatible with LilyPond, this algorithm is based on Lilypond's
+ * Source_file::get_counts */
+
+ /* possible future enhancement: make the tabstop size configurable */
+
+ loc->first_line = loc->last_line;
+ loc->first_column = loc->last_column;
+ loc->first_offset = loc->last_offset;
+
+ for (i = 0; i < length; ++i) {
+ if (bytes[i] == '\n') {
+ ++loc->last_line;
+ loc->last_column = 0;
+ loc->last_offset = 0;
+ } else if (((unsigned char)bytes[i] & 0xc0u) != 0x80u) {
+ /* if two highest bits are 1 and 0, it's a continuation byte,
+ * so count everything else, which is either a single-byte
+ * character or the first byte of a multi-byte sequence */
+
+ if (bytes[i] == '\t') {
+ loc->last_column = (loc->last_column / 8 + 1) * 8;
+ } else {
+ ++loc->last_column;
+ }
+ ++loc->last_offset;
+ }
+ }
+}
+
+#endif