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1b580f98aa
indicate whether or not the new tag should be the outermost tag at the specified location (in the case that other tags have been inserted at the same spot). llvm-svn: 48506
92 lines
2.5 KiB
C++
92 lines
2.5 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, bool OutermostTag) {
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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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const char* s = os.str().c_str();
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unsigned n = os.str().size();
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if (OutermostTag)
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R.InsertTextBefore(B, s, n);
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else
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R.InsertTextAfter(B, s, n);
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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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const char* s = os.str().c_str();
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unsigned n = os.str().size();
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if (OutermostTag)
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R.InsertTextAfter(E, s, n);
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else
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R.InsertTextBefore(E, s, n);
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}
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}
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