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-rw-r--r--src/parserintf.h115
1 files changed, 76 insertions, 39 deletions
diff --git a/src/parserintf.h b/src/parserintf.h
index c0939c9..4be8aee 100644
--- a/src/parserintf.h
+++ b/src/parserintf.h
@@ -18,10 +18,11 @@
#ifndef PARSERINTF_H
#define PARSERINTF_H
-#include <qdict.h>
#include <qstrlist.h>
#include <memory>
+#include <map>
+#include <string>
#include "types.h"
@@ -31,16 +32,16 @@ class CodeOutputInterface;
class MemberDef;
class Definition;
-/** \brief Abstract interface for programming language parsers.
+/** \brief Abstract interface for outline parsers.
*
* By implementing the methods of this interface one can add
- * a new language parser to doxygen. The parser can make use of the
+ * a new language parser to doxygen. The parser implementation can make use of the
* comment block parser to parse the contents of special comment blocks.
*/
-class ParserInterface
+class OutlineParserInterface
{
public:
- virtual ~ParserInterface() {}
+ virtual ~OutlineParserInterface() {}
/** Starts processing a translation unit (source files + headers).
* After this call parseInput() is called with sameTranslationUnit
@@ -80,6 +81,27 @@ class ParserInterface
*/
virtual bool needsPreprocessing(const QCString &extension) const = 0;
+ /** Callback function called by the comment block scanner.
+ * It provides a string \a text containing the prototype of a function
+ * or variable. The parser should parse this and store the information
+ * in the Entry node that corresponds with the node for which the
+ * comment block parser was invoked.
+ */
+ virtual void parsePrototype(const char *text) = 0;
+
+};
+
+/** \brief Abstract interface for code parsers.
+ *
+ * By implementing the methods of this interface one can add
+ * a new language parser to doxygen. This interface is used for
+ * syntax highlighting, but also to extract cross references and call graphs.
+ */
+class CodeParserInterface
+{
+ public:
+ virtual ~CodeParserInterface() {}
+
/** Parses a source file or fragment with the goal to produce
* highlighted and cross-referenced output.
* @param[in] codeOutIntf Abstract interface for writing the result.
@@ -125,14 +147,6 @@ class ParserInterface
*/
virtual void resetCodeParserState() = 0;
- /** Callback function called by the comment block scanner.
- * It provides a string \a text containing the prototype of a function
- * or variable. The parser should parse this and store the information
- * in the Entry node that corresponds with the node for which the
- * comment block parser was invoked.
- */
- virtual void parsePrototype(const char *text) = 0;
-
};
//-----------------------------------------------------------------------------
@@ -145,18 +159,22 @@ class ParserInterface
class ParserManager
{
public:
- /** Creates the parser manager object.
- */
- ParserManager()
- : m_defaultParser(0) { m_parsers.setAutoDelete(TRUE); }
- ~ParserManager()
+ struct ParserPair
{
- delete m_defaultParser;
- }
+ ParserPair(std::unique_ptr<OutlineParserInterface> oli,
+ std::unique_ptr<CodeParserInterface> cpi) noexcept
+ : outlineParser(std::move(oli)), codeParser(std::move(cpi))
+ {
+ }
- void registerDefaultParser(ParserInterface *parser)
+ std::unique_ptr<OutlineParserInterface> outlineParser;
+ std::unique_ptr<CodeParserInterface> codeParser;
+ };
+
+ ParserManager(std::unique_ptr<OutlineParserInterface> outlineParser,
+ std::unique_ptr<CodeParserInterface> codeParser)
+ : m_defaultParsers(std::move(outlineParser),std::move(codeParser))
{
- m_defaultParser = parser;
}
/** Registers an additional parser.
@@ -165,9 +183,11 @@ class ParserManager
* @param[in] parser The parser that is to be used for the
* given name.
*/
- void registerParser(const char *name,ParserInterface *parser)
+ void registerParser(const char *name,std::unique_ptr<OutlineParserInterface> outlineParser,
+ std::unique_ptr<CodeParserInterface> codeParser)
{
- m_parsers.insert(name,parser);
+ m_parsers.emplace(std::string(name),
+ ParserPair(std::move(outlineParser),std::move(codeParser)));
}
/** Registers a file \a extension with a parser with name \a parserName.
@@ -176,13 +196,16 @@ class ParserManager
bool registerExtension(const char *extension, const char *parserName)
{
if (parserName==0 || extension==0) return FALSE;
- ParserInterface *intf = m_parsers.find(parserName);
- if (intf==0) return FALSE;
- if (m_extensions.find(extension)!=0) // extension already exists
+
+ const auto &parserIt = m_parsers.find(parserName);
+ if (parserIt == m_parsers.end()) return FALSE;
+
+ auto extensionIt = m_extensions.find(extension);
+ if (extensionIt != m_extensions.end()) // extension already exists
{
- m_extensions.remove(extension); // remove it
+ m_extensions.erase(extensionIt); // remove it (e.g. user specified extension overrules built in one)
}
- m_extensions.insert(extension,intf); // add new mapping
+ m_extensions.emplace(std::string(extension),parserIt->second); // add new mapping
return TRUE;
}
@@ -190,22 +213,36 @@ class ParserManager
* If there is no parser explicitly registered for the supplied extension,
* the interface to the default parser will be returned.
*/
- ParserInterface *getParser(const char *extension)
+ OutlineParserInterface &getOutlineParser(const char *extension)
{
- QCString ext = QCString(extension).lower();
+ return *getParsers(extension).outlineParser;
+ }
+
+ /** Gets the interface to the parser associated with given \a extension.
+ * If there is no parser explicitly registered for the supplied extension,
+ * the interface to the default parser will be returned.
+ */
+ CodeParserInterface &getCodeParser(const char *extension)
+ {
+ return *getParsers(extension).codeParser;
+ }
+
+ private:
+ ParserPair &getParsers(const char *extension)
+ {
+ QCString ext = QCString(extension).lower().data();
if (ext.isEmpty()) ext=".no_extension";
- ParserInterface *intf = m_extensions.find(ext);
- if (intf==0 && ext.length()>4)
+ auto it = m_extensions.find(ext.data());
+ if (it==m_extensions.end() && ext.length()>4)
{
- intf = m_extensions.find(ext.left(4));
+ it = m_extensions.find(ext.left(4).data());
}
- return intf ? intf : m_defaultParser;
+ return it!=m_extensions.end() ? it->second : m_defaultParsers;
}
- private:
- QDict<ParserInterface> m_parsers;
- QDict<ParserInterface> m_extensions;
- ParserInterface *m_defaultParser;
+ std::map<std::string,ParserPair> m_parsers;
+ std::map<std::string,ParserPair &> m_extensions;
+ ParserPair m_defaultParsers;
};
#endif