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/* -*- Mode: c; c-basic-offset: 2 -*-
*
* mangen utility - Generate utility manpage
*
* Copyright (C) 2014, David Beckett http://www.dajobe.org/
*
* This file is licensed under the following three licenses as alternatives:
* 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
* 2. GNU General Public License (GPL) V2 or any newer version
* 3. Apache License, V2.0 or any newer version
*
* You may not use this file except in compliance with at least one of
* the above three licenses.
*
* See LICENSE.html or LICENSE.txt at the top of this package for the
* complete terms and further detail along with the license texts for
* the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
*
*/
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <flickcurl.h>
#include <flickcurl_cmd.h>
/* These are exported for use by the commands.c module but mostly
* unused (except for program) since we only read the commands array
* and never invoke the commands
*/
int verbose = 1;
const char* program;
FILE* output_fh;
const char *output_filename = "fake";
/* Not using getopt here */
#define HELP_TEXT(short, long, description) " -" short " " description
#define HELP_TEXT_LONG(long, description)
#define HELP_ARG(short, long) "-" #short
#define HELP_PAD "\n "
static const char *title_format_string = "Manpage code generator utility %s\n";
static int
mangen_cmd_compare(const void *a, const void *b)
{
flickcurl_cmd* a_cmd = (flickcurl_cmd*)a;
flickcurl_cmd* b_cmd = (flickcurl_cmd*)b;
return strcmp(a_cmd->name, b_cmd->name);
}
static void
mangen_print_man_page(FILE* fh)
{
int i;
fputs(".LP\n"
"In the following list of commands:\n"
".br\n"
"\\fIPER-PAGE\\fR is photos per result page or '-' for default (10)\n"
".br\n"
"\\fIPAGE\\fR is result page number or '-' for default (1 = first page)\n",
fh);
qsort(commands, FLICKCURL_CMD_COUNT-1,
sizeof(flickcurl_cmd), mangen_cmd_compare);
for(i = 0; commands[i].name; i++) {
int d, dc, nl = 1, lastdc= -1;
fprintf(fh, ".IP \"\\fB%s\\fP \\fI%s\\fP\"\n",
commands[i].name, commands[i].args);
for(d = 0; (dc = commands[i].description[d]); d++) {
if(nl && dc == ' ') {
lastdc = dc;
continue;
}
if(dc == ' ' && lastdc == ' ') {
fputs("\n.br\n", fh);
do {
d++;
dc = commands[i].description[d];
} while(dc == ' ');
}
nl = 0;
if(dc == '\n') {
fputs("\n.br\n", fh);
nl = 1;
} else
fputc(dc, fh);
lastdc = dc;
}
fputc('\n', fh);
}
fputs(".SH Extras Fields\n", fh);
fputs("The \\fBEXTRAS\\fP parameter can take a comma-separated set of the following values\n", fh);
for(i = 0; 1; i++) {
const char* name;
const char* label;
if(flickcurl_get_extras_format_info(i, &name, &label))
break;
fprintf(fh, ".TP\n\\fB%s\\fP\n%s\n", name, label);
}
fputs(".SH Photos List Feed Formats\n", fh);
fputs("The \\fBFORMAT\\fP parameter can take any of the following values\n", fh);
for(i = 0; 1; i++) {
const char* name;
const char* label;
if(flickcurl_get_feed_format_info(i, &name, &label, NULL))
break;
fprintf(fh, ".TP\n\\fB%s\\fP\n%s\n", name, label);
}
}
static void
mangen_print_extras(FILE* fh)
{
int i;
fputs("<variablelist>\n", fh);
for(i = 0; 1; i++) {
const char* name;
const char* label;
if(flickcurl_get_extras_format_info(i, &name, &label))
break;
fprintf(fh,
" <varlistentry>\n"
" <term>%s</term>\n"
" <listitem><simpara>%s</simpara></listitem>\n"
" </varlistentry>\n", name, label);
}
fputs("</variablelist>\n", fh);
}
int
main(int argc, char *argv[])
{
flickcurl *fc = NULL;
int rc = 0;
int usage = 0;
int help = 0;
int mode = 0;
flickcurl_init();
flickcurl_cmdline_init();
program = flickcurl_cmdline_basename(argv[0]);
if(argc > 1 && *argv[1] == '-') {
if(!strcmp(argv[1], "-v")) {
fputs(flickcurl_version_string, stdout);
fputc('\n', stdout);
flickcurl_cmdline_finish();
exit(0);
}
if(!strcmp(argv[1], "-h"))
help = 1;
else {
fprintf(stderr, "%s: Invalid option `%s'\n", program, argv[1]);
usage = 1;
}
goto usage;
}
if(argc < 2) {
usage = 2; /* Title and usage */
goto usage;
}
if(!strcmp(argv[1], "manpage"))
mode = 0;
else if(!strcmp(argv[1], "extras"))
mode = 1;
else {
fprintf(stderr, "%s: Invalid mode `%s'\n", program, argv[1]);
usage = 1;
}
usage:
if(usage) {
if(usage > 1) {
fprintf(stderr, title_format_string, flickcurl_version_string);
fputs("Flickcurl home page: ", stderr);
fputs(flickcurl_home_url_string, stderr);
fputc('\n', stderr);
fputs(flickcurl_copyright_string, stderr);
fputs("\nLicense: ", stderr);
fputs(flickcurl_license_string, stderr);
fputs("\n\n", stderr);
}
fprintf(stderr, "Try `%s " HELP_ARG(h, help) "' for more information.\n",
program);
rc = 1;
goto tidy;
}
if(help) {
printf(title_format_string, flickcurl_version_string);
puts("Generate manpage for Flickcurl utility.");
printf("Usage: %s [OPTIONS] manual | extras\n\n", program);
fputs(flickcurl_copyright_string, stdout);
fputs("\nLicense: ", stdout);
puts(flickcurl_license_string);
fputs("Flickcurl home page: ", stdout);
puts(flickcurl_home_url_string);
fputs("\n", stdout);
puts(HELP_TEXT("h", "help ", "Print this help, then exit"));
puts(HELP_TEXT("v", "version ", "Print the flickcurl version"));
rc = 0;
goto tidy;
}
/* Initialise the Flickcurl library */
fc = flickcurl_new();
if(!fc) {
rc = 1;
goto tidy;
}
if(mode == 0) {
/* mode 0 : man page */
mangen_print_man_page(stdout);
} else {
/* mode 1: extras */
mangen_print_extras(stdout);
}
tidy:
if(fc)
flickcurl_free(fc);
flickcurl_finish();
return(rc);
}
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