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/*
* ========================================================================
* Copyright 2006-2007 University of Washington
* Copyright 2013-2018 Eduardo Chappa
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* ========================================================================
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
void preamble(FILE *ofp);
void body(FILE *ifp, FILE *ofp);
void postamble(FILE *ofp);
int
main(int argc, char **argv)
{
preamble(stdout);
body(stdin, stdout);
postamble(stdout);
exit(0);
}
void
preamble(FILE *ofp)
{
fprintf(ofp, "\n\t\t/*\n");
fprintf(ofp, "\t\t * AUTMATICALLY GENERATED FILE!\n");
fprintf(ofp, "\t\t * DO NOT EDIT!!\n");
fprintf(ofp, "\t\t * See help_h_gen.c.\n\t\t */\n\n\n");
fprintf(ofp, "#ifndef PITH_HELPTEXT_INCLUDED\n");
fprintf(ofp, "#define PITH_HELPTEXT_INCLUDED\n\n\n");
fprintf(ofp, "#define\tHelpType\tchar **\n");
fprintf(ofp, "#define\tNO_HELP\t((char **) NULL)\n\n");
fprintf(ofp, "struct help_texts {\n");
fprintf(ofp, " HelpType help_text;\n");
fprintf(ofp, " char *tag;\n};\n\n");
}
void
body(FILE *ifp, FILE *ofp)
{
char line[10000];
char *space = " ";
char *p;
while(fgets(line, sizeof(line), ifp) != NULL){
if(!strncmp(line, "====", 4)){
p = strtok(line, space);
if(p){
p = strtok(NULL, space);
if(p){
if(isalpha(*p))
fprintf(ofp, "extern char *%s[];\n", p);
else{
fprintf(ofp, "Error: help input line\n %s\nis bad\n", line);
exit(-1);
}
}
else{
fprintf(ofp, "Error: help input\n %scontains ==== without following helpname\n", line);
exit(-1);
}
}
else{
fprintf(ofp, "Error: help input\n %scontains ==== without following space\n", line);
exit(-1);
}
}
}
}
void
postamble(FILE *ofp)
{
fprintf(ofp, "\nextern struct help_texts h_texts[];\n\n\n");
fprintf(ofp, "#endif /* PITH_HELPTEXT_INCLUDED */\n");
}
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