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https://github.com/Gericom/teak-llvm.git
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7dcc82220e
code as HTML. Added a new driver option "--emit-html" to dump the source of the main input file as HTML. llvm-svn: 48505
78 lines
2.2 KiB
C++
78 lines
2.2 KiB
C++
//== HTMLRewrite.cpp - Translate source code into prettified HTML --*- C++ -*-//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines the HTMLRewriter clas, which is used to translate the
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// text of a source file into prettified HTML.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Rewrite/Rewriter.h"
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#include "clang/Rewrite/HTMLRewrite.h"
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#include "clang/Basic/SourceManager.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include <sstream>
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using namespace clang;
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void html::EscapeText(Rewriter& R, unsigned FileID, bool EscapeSpaces) {
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const llvm::MemoryBuffer *Buf = R.getSourceMgr().getBuffer(FileID);
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const char* C = Buf->getBufferStart();
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const char* FileEnd = Buf->getBufferEnd();
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assert (C <= FileEnd);
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for (unsigned FilePos = 0; C != FileEnd ; ++C, ++FilePos) {
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SourceLocation Loc = SourceLocation::getFileLoc(FileID, FilePos);
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switch (*C) {
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default: break;
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case ' ':
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if (EscapeSpaces) R.ReplaceText(Loc, 1, " ", 5);
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break;
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case '<': R.ReplaceText(Loc, 1, "<", 4); break;
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case '>': R.ReplaceText(Loc, 1, ">", 4); break;
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case '&': R.ReplaceText(Loc, 1, "&", 5); break;
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}
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}
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}
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void html::InsertTag(Rewriter& R, html::Tags tag,
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SourceLocation B, SourceLocation E,
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bool NewlineOpen, bool NewlineClose) {
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const char* TagStr = 0;
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switch (tag) {
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default: break;
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case PRE: TagStr = "pre"; break;
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case HEAD: TagStr = "head"; break;
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case BODY: TagStr = "body"; break;
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}
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assert (TagStr && "Tag not supported.");
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{ // Generate the opening tag.
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std::ostringstream os;
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os << '<' << TagStr << '>';
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if (NewlineOpen) os << '\n';
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R.InsertTextAfter(B, os.str().c_str(), os.str().size());
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}
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{ // Generate the closing tag.
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std::ostringstream os;
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os << "</" << TagStr << '>';
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if (NewlineClose) os << '\n';
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R.InsertTextBefore(E, os.str().c_str(), os.str().size());
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}
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}
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