1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
#include <iostream>
#include <fstream>
#include <sstream>
#include <string>
#include <iterator>
#include <regex>
#include <fileiter.h>
// purpose:
// takes the contents of a file and transform to
// syntax highlighted code in html format
regex e1, e2;
extern const char* expression_text;
extern const char* format_string;
extern const char* pre_expression;
extern const char* pre_format;
extern const char* header_text;
extern const char* footer_text;
int main(int argc, const char** argv)
{
e1.set_expression(expression_text);
e2.set_expression(pre_expression);
for(int i = 1; i < argc; ++i)
{
std::cout << "Processing file " << argv[i] << std::endl;
mapfile in(argv[i]);
std::string out_name(std::string(argv[i]) + std::string(".htm"));
std::ofstream os(out_name.c_str());
os << header_text;
// strip '<' and '>' first by outputting to a
// temporary string stream
std::ostringstream t(std::ios::out | std::ios::binary);
std::ostream_iterator<char, char> oi(t);
reg_merge(oi, in.begin(), in.end(), e2, pre_format, true);
// then output to final output stream
// adding syntax highlighting:
std::string s(t.str());
std::ostream_iterator<char, char> out(os);
reg_merge(out, s.begin(), s.end(), e1, format_string, true);
os << footer_text;
}
return 0;
}
extern const char* pre_expression = "(<)|(>)|\\r";
extern const char* pre_format = "(?1<)(?2>)";
const char* expression_text = // preprocessor directives: index 1
"(^[[:blank:]]*#([^\\n]*\\\\[[:space:]]+)*[^\\n]*)|"
// comment: index 3
"(//[^\\n]*|/\\*([^*]|\\*+[^*/])*\\*+/)|"
// literals: index 5
"\\<([+-]?((0x[[:xdigit:]]+)|(([[:digit:]]*\\.)?[[:digit:]]+([eE][+-]?[[:digit:]]+)?))u?((int(8|16|32|64))|L)?)\\>|"
// string literals: index 14
"('([^\\\\']|\\\\.)*'|\"([^\\\\\"]|\\\\.)*\")|"
// keywords: index 17
"\\<(__asm|__cdecl|__declspec|__export|__far16|__fastcall|__fortran|__import"
"|__pascal|__rtti|__stdcall|_asm|_cdecl|__except|_export|_far16|_fastcall"
"|__finally|_fortran|_import|_pascal|_stdcall|__thread|__try|asm|auto|bool"
"|break|case|catch|cdecl|char|class|const|const_cast|continue|default|delete"
"|do|double|dynamic_cast|else|enum|explicit|extern|false|float|for|friend|goto"
"|if|inline|int|long|mutable|namespace|new|operator|pascal|private|protected"
"|public|register|reinterpret_cast|return|short|signed|sizeof|static|static_cast"
"|struct|switch|template|this|throw|true|try|typedef|typeid|typename|union|unsigned"
"|using|virtual|void|volatile|wchar_t|while)\\>"
;
const char* format_string = "(?1<font color=\"#008040\">$&</font>)"
"(?3<I><font color=\"#000080\">$&</font></I>)"
"(?5<font color=\"#0000A0\">$&</font>)"
"(?14<font color=\"#0000FF\">$&</font>)"
"(?17<B>$&</B>)";
const char* header_text = "<HTML>\n<HEAD>\n"
"<META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=windows-1252\">\n"
"</HEAD>\n"
"<BODY LINK=\"#0000ff\" VLINK=\"#800080\" BGCOLOR=\"#ffff99\">\n"
"<PARA> </PARA>\n<PRE>";
const char* footer_text = "</PRE>\n</BODY>\n\n";
|
