Line data    Source code

       1             : /**
       2             :  Copyright (c) 2024 Stappler LLC <admin@stappler.dev>
       3             : 
       4             :  Permission is hereby granted, free of charge, to any person obtaining a copy
       5             :  of this software and associated documentation files (the "Software"), to deal
       6             :  in the Software without restriction, including without limitation the rights
       7             :  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
       8             :  copies of the Software, and to permit persons to whom the Software is
       9             :  furnished to do so, subject to the following conditions:
      10             : 
      11             :  The above copyright notice and this permission notice shall be included in
      12             :  all copies or substantial portions of the Software.
      13             : 
      14             :  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      15             :  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      16             :  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      17             :  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      18             :  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      19             :  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
      20             :  THE SOFTWARE.
      21             :  **/
      22             : 
      23             : #ifndef EXTRA_WEBSERVER_PUG_SPPUGLEXER_H_
      24             : #define EXTRA_WEBSERVER_PUG_SPPUGLEXER_H_
      25             : 
      26             : #include "SPPugToken.h"
      27             : 
      28             : namespace STAPPLER_VERSIONIZED stappler::pug {
      29             : 
      30             : struct Lexer {
      31             :         using OutStream = Callback<void(StringView)>;
      32             : 
      33             :         Lexer(const StringView &, const OutStream & = nullptr);
      34             : 
      35             :         bool perform(const OutStream &);
      36             :         bool parseToken(const OutStream &, Token &);
      37             : 
      38             :         bool readAttributes(const OutStream &, Token *, StringView &) const;
      39             :         bool readOutputExpression(Token *, StringView &) const;
      40             :         bool readTagInfo(const OutStream &, Token *, StringView &, bool interpolated = false) const;
      41             :         bool readCode(Token *, StringView &) const;
      42             :         bool readCodeBlock(Token *, StringView &) const;
      43             : 
      44             :         bool readPlainTextInterpolation(const OutStream &errCb, Token *, StringView &, bool interpolated = false) const;
      45             : 
      46             :         Token *readLine(const OutStream &errCb, const StringView &line, StringView &, Token *rootLine);
      47             :         Token *readPlainLine(const OutStream &errCb, const StringView &line, StringView &);
      48             :         Token *readCommonLine(const OutStream &errCb, const StringView &line, StringView &);
      49             :         Token *readKeywordLine(const OutStream &errCb, const StringView &line, StringView &);
      50             : 
      51             :         bool onError(const OutStream &, const StringView &r, const StringView &) const;
      52             : 
      53         525 :         operator bool () const { return success; }
      54             : 
      55             :         uint32_t offset = 0;
      56             :         uint32_t lineOffset = 0;
      57             : 
      58             :         uint32_t indentStep = maxOf<uint32_t>();
      59             :         uint32_t indentLevel = 0;
      60             : 
      61             :         bool success = false;
      62             : 
      63             :         StringView content;
      64             :         Token root;
      65             : };
      66             : 
      67             : }
      68             : 
      69             : #endif /* EXTRA_WEBSERVER_PUG_SPPUGLEXER_H_ */