mirror of https://github.com/fltk/fltk
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
//
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// Doxygen pre-formatting program for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010 by Matthias Melcher.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// https://www.fltk.org/COPYING.php
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//
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// Please see the following page on how to report bugs and issues:
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//
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// https://www.fltk.org/bugs.php
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//
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#include <stdio.h>
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#include <string.h>
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char linebuf[1024];
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int main(int argc, char **argv) {
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if (argc!=1) {
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puts("Add stars (*) in front of multi-line doxygen comments");
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puts("to protect comment indentation from code beautifiers.");
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puts("usage: cat file | doxystar");
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return 0;
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}
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int state = 0;
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char *commentStart;
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int i, commentCol;
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for (;;) {
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if (!fgets(linebuf, 1020, stdin)) break; // EOF or error
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switch (state) {
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case 0: // line start is source code
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commentStart = strstr(linebuf, "/*");
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if (commentStart) {
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// check if this comment spans multiple lines
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if (strstr(commentStart, "*/")==0) {
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if ((commentStart[2]=='*' || commentStart[2]=='!') && commentStart[3]!='*') {
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state = 2; // Doxygen multiline comment
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commentCol = commentStart - linebuf;
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} else {
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state = 1; // regular multiline comment
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}
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} else {
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// single line comment, do nothing
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}
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}
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fputs(linebuf, stdout);
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break;
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case 1: // line start is inside a regular multiline comment
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if (strstr(linebuf, "*/")) {
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state = 0;
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} else {
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// still inside comment
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}
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fputs(linebuf, stdout);
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break;
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case 2: // line start is inside a doxygen multiline comment
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for (i=0; i<commentCol; i++) fputc(' ', stdout);
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fputs(" *", stdout);
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if (strstr(linebuf, "*/")) {
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state = 0;
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} else {
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// still inside comment
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}
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for (i=0; i<commentCol+1; i++)
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if (linebuf[i]!=' ')
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break;
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if (linebuf[i]=='*') {
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if (linebuf[i+1]==' ') {
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i+=2;
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} else {
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i+=1;
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}
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}
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fputs(linebuf+i, stdout);
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break;
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}
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}
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return 0;
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}
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