📄 snip4.cpp
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/* * * Copyright (c) 1998-2000 * Dr John Maddock * * Permission to use, copy, modify, distribute and sell this software * and its documentation for any purpose is hereby granted without fee, * provided that the above copyright notice appear in all copies and * that both that copyright notice and this permission notice appear * in supporting documentation. Dr John Maddock makes no representations * about the suitability of this software for any purpose. * It is provided "as is" without express or implied warranty. * */#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 formatregex 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";⌨️ 快捷键说明
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