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/* GNUPLOT - checkdoc.c */
/*[
* Copyright 1986 - 1993, 1998, 2004 Thomas Williams, Colin Kelley
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
]*/
/*
* checkdoc -- check a doc file for correctness of first column.
*
* Prints out lines that have an illegal first character.
* First character must be space, digit, or ?, @, #, %,
* or line must be empty.
*
* usage: checkdoc [docfile]
* Modified by Russell Lang from hlp2ms.c by Thomas Williams
*
* Original version by David Kotz used the following one line script!
* sed -e '/^$/d' -e '/^[ 0-9?@#%]/d' gnuplot.doc
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "syscfg.h"
#include "stdfn.h"
#include "doc2x.h"
void convert(FILE *, FILE *);
void process_line(char *, FILE *);
int
main (int argc, char **argv)
{
FILE *infile;
infile = stdin;
if (argc > 2) {
fprintf(stderr, "Usage: %s [infile]\n", argv[0]);
exit(EXIT_FAILURE);
}
if (argc == 2)
if ((infile = fopen(argv[1], "r")) == (FILE *) NULL) {
fprintf(stderr, "%s: Can't open %s for reading\n",
argv[0], argv[1]);
exit(EXIT_FAILURE);
}
convert(infile, stdout);
return EXIT_SUCCESS;
}
void
convert(FILE *a, FILE *b)
{
static char line[MAX_LINE_LEN+1];
while (get_line(line, sizeof(line), a)) {
process_line(line, b);
}
}
void
process_line(char *line, FILE *b)
{
/* check matching backticks within a paragraph */
static int count = 0;
if (line[0] == ' ') {
char *p = line;
/* skip/count leading spaces */
while (*++p == ' ');
if (*p == '\n') {
/* it is not clear if this is an error, but it is an
* inconsistency, so flag it
*/
fprintf(b, "spaces-only line %s:%d\n", termdoc_filename, termdoc_lineno);
} else {
/* accumulate count of backticks. Do not check odd-ness
* until end of paragraph (non-space in column 1)
*/
for (; *p; ++p)
if (*p == '`')
++count;
}
} else {
if (count & 1) {
fprintf(b,
"mismatching backticks before %s:%d\n",
termdoc_filename, termdoc_lineno);
}
count = 0;
}
if (strchr(line, '\t'))
fprintf(b, "tab character in line %s:%d\n", termdoc_filename, termdoc_lineno);
switch (line[0]) { /* control character */
case '?':{ /* interactive help entry */
break; /* ignore */
}
case '<':{ /* term docs */
break; /* ignore */
}
case '@':{ /* start/end table */
break; /* ignore */
}
case '#':{ /* latex table entry */
break; /* ignore */
}
case '%':{ /* troff table entry */
break; /* ignore */
}
case '^':{ /* html entry */
break; /* ignore */
}
case '=':{ /* index entry */
break; /* ignore */
}
case 'F':{ /* included figure */
break; /* ignore */
}
case '\n': /* empty text line */
case ' ':{ /* normal text line */
break;
}
default:{
if (isdigit((int)line[0])) { /* start of section */
/* ignore */
} else
/* output bad line */
fprintf(b, "%s:%d:%s", termdoc_filename, termdoc_lineno, line);
break;
}
}
}
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