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Diffstat (limited to 'contrib/webcscope/hilite.c')
| -rw-r--r-- | contrib/webcscope/hilite.c | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/contrib/webcscope/hilite.c b/contrib/webcscope/hilite.c new file mode 100644 index 0000000..4f5af07 --- /dev/null +++ b/contrib/webcscope/hilite.c @@ -0,0 +1,360 @@ +/* + CopyRight (C) 1999, Dmitry Obukhov, dso@usa.net + mailto: dso@usa.net + http://www.EmbeddedStuff.com + + ---------------------------------------------- + Last modified 6 Apr 97 + ---------------------------------------------- + Converts C (C++) source to HTML code fragment + with syntax highlighting. + Since program written for personal purpose + the <TABLE> tags generated. This is optional + page format specific thing. + + Usage: CTHM <input_file>. All output is done + to STDOUTPUT, error messages to STDERR. + For HTML fragment generation: + CHTM file.c > file.htm + + - Some input convertion required to use this + code as CGI module. Will be done soon. + - Optimization required for blocks of EOL + comments +*/ + +#include <stdio.h> + +// ------------------- Decoding status values + +#define START 0 +#define INLINE 1 +#define DEFINE 2 +// ------------------- Decoding Remark +#define REM1 20 +#define REM2 21 +#define REM_END 22 +#define REM_STAR 23 +#define REM_STAR_1 24 +#define STRING 25 // String is "like" remark + + +// ------------------- HTML TAG Generation +#define ON 1 +#define OFF 0 + +// ------------------- HTML TAG type +#define MODE_KEYWORD 0 +#define MODE_REMARK 2 +#define MODE_REMARK_EOL 4 +#define MODE_DEFINE 6 +#define MODE_STRING 8 + + +int is_delimeter(char c) +{ + int ii=0; + char dlms[] = + "\t\r\n (){}[]+-*/%\"'&|^~:;<>.,"; + //-------------------------------- + while (dlms[ii]) + { + if (c==dlms[ii++]) return 1; + } + return 0; +} + +int is_keyword(char * str) +{ + char * kwords[] = + { + "asm", "auto", + "break", "case", + "cdecl", "char", + "class", "const", + "continue", "default", + "delete", "do", + "double", "else", + "enum", "extern", + "far", "float", + "for", "friend", + "goto", "huge", + "if", "inline", + "int", "interrupt", + "long", "near", + "new", "operator", + "pascal", "private", + "protected", "public", + "register", "return", + "short", "signed", + "sizeof", "static", + "struct", "switch", + "template", "this", + "typedef", "union", + "unsigned", "virtual", + "void", "volatile", + "while", NULL + }; + int ii=0; + int jj; + int check; + + while (kwords[ii]) + { + jj = 0; + check = 1; + while (kwords[ii][jj] && check) + { + if (str[jj] != kwords[ii][jj]) + { + check = 0; + } + jj++; + } + if (check) return 1; + ii++; + } + return 0; +} + + +void set_mode(int on_off, int mode) +{ + char * tags[] = + { + //-------------------- KEYWORD + "<strong>", + "</strong>", + //-------------------- Classic remarks + "<font color=\"#336600\">", + "</font>", + //-------------------- EOL Remarks + "<font color=\"#336600\">", + "</font>", + //-------------------- #DEFINE + "<font color=\"#663300\"><strong>", + "</strong></font>", + //-------------------- "string" + "<font color=\"#0000CC\">", + "</font>", + NULL, NULL + }; + fprintf(stdout,tags[mode + 1 - on_off]); +} + +void print_char_html(char c) +{ + switch (c) + { + case '<': + fprintf(stdout,"<"); + break; + case '>': + fprintf(stdout,">"); + break; + case '"': + fprintf(stdout,"""); + break; + case '&': + fprintf(stdout,"&"); + break; + case '|': + fprintf(stdout,"¦"); + break; + default: + fprintf(stdout,"%c",c); + } +} + + + +int main(int _argc, char** _argv) +{ + FILE *in, *out; + char c; + int mode; + char buf[80]; + int bufidx = 0; + int progress = 1; + int echo; + int saved_mode; + int kw; + char tmpc; + char prevc; + + if (_argc < 2) + { + fprintf(stderr, + "USAGE: c2html <file>\n"); + return 1; + } + + + if ((in = fopen(_argv[1], "rt")) == NULL) + { + fprintf(stderr, + "Cannot open input file.\n"); + return 1; + } + + fprintf(stdout, "<pre>"); + mode = START; + + while (!feof(in) && progress) + { + echo = 1; + prevc = c; + c = fgetc(in); + + if (c=='/' && (mode < REM1)) + { + saved_mode = mode; + mode = REM1; + } + + switch (mode) + { + case REM1: + echo = 0; + mode = REM2; + break; + + case REM2: + if (c=='/') + { + if (saved_mode == DEFINE) + { + set_mode(OFF, MODE_DEFINE); + } + mode = REM_END; + set_mode(ON, MODE_REMARK_EOL); + } + else if (c=='*') + { + if (saved_mode == DEFINE) + { + set_mode(OFF, MODE_DEFINE); + } + mode = REM_STAR; + set_mode(ON, MODE_REMARK); + } + else + { + mode = saved_mode; + } + printf("/"); + break; + + case REM_END: + if (c=='\n') + { + set_mode(OFF, MODE_REMARK_EOL); + } + break; + + case REM_STAR: + if (c=='*') + { + mode = REM_STAR_1; + } + break; + + case REM_STAR_1: + if (c=='/') + { + mode = INLINE; + fprintf(stdout,"/"); + echo = 0; + set_mode(OFF, MODE_REMARK); + } + else mode = REM_STAR; + break; + + case START: + if (c=='#') + { + mode = DEFINE; + set_mode(ON, MODE_DEFINE); + break; + } + else if (c==' ') break; + + mode = INLINE; + // and continue in next case + + case INLINE: + if (c=='"' && // + prevc != 0x27 && // + prevc != '\\') // + { + set_mode(ON, MODE_STRING); + mode = STRING; + } + break; + + case STRING: + if (c=='"' && prevc != '\\') + { + print_char_html('"'); + set_mode(OFF, MODE_STRING); + echo = 0; + mode = INLINE; + } + break; + + case DEFINE: + if (c=='\n') + { + set_mode(OFF, MODE_DEFINE); + } + break; + + } + + if (echo && // + (mode == INLINE || // + (mode!=INLINE && // + bufidx))) // + { + buf[bufidx++] = c; + buf[bufidx] = 0; + if (is_delimeter(c)) + { + kw = 0; + if (bufidx>2) + { + kw = is_keyword(buf); + } + if (kw) + { + set_mode(ON, MODE_KEYWORD); + } + tmpc = buf[bufidx-1]; + buf[bufidx-1] = 0; + fprintf(stdout,"%s",buf); + if (kw) + { + set_mode(OFF, MODE_KEYWORD); + } + print_char_html(tmpc); + bufidx = 0; + buf[0] = 0; + } + } + else if (echo) print_char_html(c); + + if (c=='\n' && mode != REM_STAR) + { + mode = START; + } + } + + fclose(in); + fprintf(stdout,"</pre>\n"); + fprintf(stdout, + "<!-- == Generated by CHTM convertor -->\n"); + fprintf(stdout, + "<!-- == CopyRight (C) 1999, Dmitry Obukhov, dso@usa.net -->\n"); + + return 0; +} |