FreeCalypso > hg > freecalypso-tools

annotate ringtools/imy/firstpass.c @ 886:0d6814238109

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
fc-imy2pwt: stop reading input on END:IMELODY
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Apr 2022 04:00:09 +0000
parents fd4c9bc7835d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
882
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This module implements the first pass of fc-imy2pwt processing:
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * reading and parsing the iMelody input file at the level of lines,
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 * storing the melody for subsequent processing and catching the
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5 * optional BEAT: line, if present.
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 */
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <ctype.h>
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <stdio.h>
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <stdlib.h>
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <string.h>
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12 #include <strings.h>
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 #include "sizelimits.h"
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 extern char *imy_filename;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 extern char melody_str_buf[MELODY_BUF_SIZE];
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 extern unsigned beats_per_min;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 static char *melody_write_ptr, *melody_write_endp;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 static int lineno;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 static void
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 copy_melody_str(line)
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24 char *line;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 char *cp, *np;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 cp = line;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 while (isspace(*cp))
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 cp++;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 if (!*cp) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 fprintf(stderr, "%s line %d: empty melody line\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 for (np = cp; *cp && !isspace(*cp); cp++)
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 ;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 if (*cp)
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 *cp++ = '\0';
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40 while (isspace(*cp))
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 cp++;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 if (*cp) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 fprintf(stderr, "%s line %d: single melody string expected\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 if (strlen(np) > (melody_write_endp - melody_write_ptr)) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 fprintf(stderr, "%s line %d: melody buffer size exceeded\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 strcpy(melody_write_ptr, np);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53 melody_write_ptr += strlen(np);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 static void
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 process_beat_line(line)
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 char *line;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 if (!isdigit(*line)) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 fprintf(stderr, "%s line %d: number expected on BEAT: line\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 beats_per_min = atoi(line);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 if (beats_per_min < 25 || beats_per_min > 900) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 fprintf(stderr, "%s line %d: bpm number is out of range\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 read_imy_firstpass()
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75 FILE *inf;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 char linebuf[LINE_BUF_SIZE];
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 int prev_line_is_melody;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 inf = fopen(imy_filename, "r");
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 if (!inf) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 perror(imy_filename);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 melody_write_ptr = melody_str_buf;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 melody_write_endp = melody_str_buf + MELODY_BUF_SIZE - 1;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 if (!index(linebuf, '\n')) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 fprintf(stderr,
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 "%s line %d: too long or unterminated\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 imy_filename, lineno);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 if (linebuf[0] == ' ' || linebuf[0] == '\t') {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 if (lineno == 1) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 fprintf(stderr,
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 "%s line 1: invalid continuation\n",
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 imy_filename);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 if (prev_line_is_melody)
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 copy_melody_str(linebuf);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 continue;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 if (!strncasecmp(linebuf, "MELODY:", 7)) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 copy_melody_str(linebuf + 7);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 prev_line_is_melody = 1;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 } else if (!strncasecmp(linebuf, "BEAT:", 5)) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 process_beat_line(linebuf + 5);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 prev_line_is_melody = 0;
886
0d6814238109 fc-imy2pwt: stop reading input on END:IMELODY
Mychaela Falconia <falcon@freecalypso.org>
parents: 882
diff changeset
110 } else if (!strncasecmp(linebuf, "END:IMELODY", 11))
0d6814238109 fc-imy2pwt: stop reading input on END:IMELODY
Mychaela Falconia <falcon@freecalypso.org>
parents: 882
diff changeset
111 break;
0d6814238109 fc-imy2pwt: stop reading input on END:IMELODY
Mychaela Falconia <falcon@freecalypso.org>
parents: 882
diff changeset
112 else
882
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 prev_line_is_melody = 0;
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 fclose(inf);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 if (!melody_str_buf[0]) {
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 fprintf(stderr, "error: no melody found in %s\n", imy_filename);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118 exit(1);
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 }
fd4c9bc7835d fc-imy2pwt program written, compiles
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 }