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html-tool.c
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// Convert source code to hyperlinked html.
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <dirent.h>
#include <string.h>
#define N 1000
#define BUFLEN 1000
char buf[BUFLEN], token[BUFLEN];
int special, comment_state, ncol;
struct {
char *filename;
char *symbol;
int line;
} stab[N];
int count;
main()
{
phase_1();
phase_2();
printf("%d symbols\n", count);
}
int
filter(struct dirent *p)
{
int len;
len = strlen(p->d_name);
if (len > 2 && strcmp(p->d_name + len - 2, ".h") == 0)
return 0;
else if (len > 4 && strcmp(p->d_name + len - 4, ".cpp") == 0)
return 1;
else
return 0;
}
phase_1()
{
int i, n, x;
struct dirent **p;
n = scandir(".", &p, filter, alphasort);
for (i = 0; i < n; i++)
//printf("<a href=\"%s\">%s</a><br>\n", p[i]->d_name, p[i]->d_name);
g(p[i]->d_name);
scan_defs();
}
char str1[1000], str2[1000], str3[1000];
g(char *s)
{
int line = 2;
char *a, *b, *c, *t;
FILE *f;
if (strcmp(s, "MainOSX.cpp") == 0 || strcmp(s, "MainXP.cpp") == 0)
return;
// printf("\n// %s\n", s);
f = fopen(s, "r");
if (f == NULL) {
printf("cannot open %s\n", s);
exit(1);
}
a = fgets(str1, 1000, f);
b = fgets(str2, 1000, f);
c = fgets(str3, 1000, f);
while (1) {
if (c == NULL)
break;
if (*c == '{' && strncmp(a, "static", 5) != 0) {
// string b has the name of the function
strchr(b, '(')[0] = 0;
if (count == N) {
printf("stab full\n");
exit(1);
}
stab[count].filename = strdup(s);
strchr(stab[count].filename, '.')[2] = 0; // .cpp -> .c
stab[count].symbol = strdup(b);
stab[count].line = line;
count++;
// printf("%s %d\n", b, line);
}
t = a;
a = b;
b = c;
c = fgets(t, 1000, f);
line++;
}
fclose(f);
}
scan_defs()
{
char *s, *t;
FILE *f;
f = fopen("defs.h", "r");
while (fgets(buf, BUFLEN, f)) {
if (strncmp(buf, "#define", 7) == 0) {
s = buf + 8;
t = token;
do {
*t++ = *s++;
} while (*s == '_' || isalnum(*s));
*t = 0;
stab[count].filename = "defs.h";
stab[count].symbol = strdup(token);
count++;
}
}
}
phase_2()
{
int i, n, x;
struct dirent **p;
n = scandir(".", &p, filter, alphasort);
for (i = 0; i < n; i++)
//printf("<a href=\"%s\">%s</a><br>\n", p[i]->d_name, p[i]->d_name);
emit_html(p[i]->d_name);
special = 1;
emit_html("defs.h");
}
char *preamble =
"<html>\n"
"<head>\n"
"<title>%s</title>\n"
//"<style type=\"text/css\">\n"
//"<!--\n"
//"A:link {color: black; text-decoration: none}\n"
//"A:visited {color: black; text-decoration: none}\n"
//"A:active {color: black; text-decoration: none}\n"
//"A:hover {color: blue; text-decoration: underline}\n"
//"-->\n"
//"</style>\n"
"</head>\n"
"<body>\n";
#if 0
char *epilog =
"<p><a href=\"http://sourceforge.net\"><img src=\"http://sflogo.sourceforge.net/sflogo.php?group_id=103462&type=2\" width=\"125\" height=\"37\" border=\"0\" alt=\"SourceForge.net Logo\" /></a></body></html>\n";
#else
char *epilog = "</body></html>\n";
#endif
char newfilename[BUFLEN], buf[BUFLEN];
FILE *fout;
emit_html(char *filename, int special)
{
FILE *f;
if (strcmp(filename, "MainOSX.cpp") == 0
|| strcmp(filename, "MainXP.cpp") == 0
|| strcmp(filename, "YASTControl.cpp") == 0)
return;
f = fopen(filename, "r");
if (f == NULL) {
printf("cannot open %s\n", filename);
exit(1);
}
strcpy(newfilename, "src/");
strcat(newfilename, filename);
strchr(newfilename, '.')[2] = 0; // filename.cpp -> filename.c
strcat(newfilename, ".html");
fout = fopen(newfilename, "w");
if (fout == NULL) {
printf("cannot open %s\n", newfilename);
exit(1);
}
strchr(newfilename, '.')[2] = 0; // filename.c.html -> filename.c
fprintf(fout, preamble, newfilename + 4);
comment_state = 0;
while (fgets(buf, BUFLEN, f)) {
if (strcmp(buf, "#include \"stdafx.h\"\n") == 0)
continue;
if (strcmp(buf, "#if SELFTEST\n") == 0)
break;
fputs("<tt>", fout);
process_one_line_of_source_code(buf);
fputs("</tt><br>\n", fout);
}
fputs(epilog, fout);
fclose(f);
fclose(fout);
}
process_one_line_of_source_code(char *s)
{
char *t;
int d, i;
ncol = 0;
// erase line feed
t = s + strlen(s);
if (t - s && t[-1] == '\n') {
t--;
*t = 0;
}
if (strncmp(s, "#define ", 8) == 0)
d = 1;
else
d = 0;
while (*s) {
if (comment_state) {
if (s[0] == '*' && s[1] == '/') {
emit_char(*s++);
emit_char(*s++);
fputs("</i></b>", fout);
comment_state = 0;
} else
emit_char(*s++);
continue;
}
if (s[0] == '/' && s[1] == '*') {
comment_state = 1;
fputs("<b><i>", fout);
emit_char(*s++);
emit_char(*s++);
continue;
}
if (s[0] == '/' && s[1] == '/') {
comment_state = 1;
fputs("<b><i>", fout);
while (*s)
emit_char(*s++);
fputs("</i></b>", fout);
comment_state = 0;
continue;
}
// quoted string?
if (*s == '"') {
emit_char(*s++);
while (*s && *s != '"')
emit_char(*s++);
if (*s)
emit_char(*s++);
continue;
}
// symbol?
if (*s == '_' || isalpha(*s)) {
t = token;
while (*s == '_' || isalnum(*s))
*t++ = *s++;
*t = 0;
t = token;
// check symbol table
for (i = 0; i < count; i++)
if (strcmp(t, stab[i].symbol) == 0)
break;
// symbol not found?
if (i == count) {
while (*t)
emit_char(*t++);
continue;
}
// symbol defn?
if (ncol == 0 || d && ncol == 8) {
fprintf(fout, "<a name=\"%s\">", t);
while (*t)
emit_char(*t++);
fputs("</a>", fout);
continue;
}
// hyperlink
fprintf(fout, "<a href=\"%s.html#%s\">", stab[i].filename, stab[i].symbol);
while (*t)
emit_char(*t++);
fputs("</a>", fout);
continue;
}
// none of the above
emit_char(*s++);
}
}
emit_char(int c)
{
switch (c) {
case '|':
if (comment_state)
fputs("</i>|<i>", fout);
else
fputc('|', fout);
break;
case '\t':
do {
fputs(" ", fout);
ncol++;
} while (ncol % 8);
ncol--;
break;
case '&':
fputs("&", fout);
break;
case ' ':
fputs(" ", fout);
break;
case '<':
fputs("<", fout);
break;
case '>':
fputs(">", fout);
break;
default:
fputc(c, fout);
break;
}
ncol++;
}