utils/ifacecheck/src/xmlparser.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        xmlparser.h
   3 // Purpose:     Parser of the API/interface XML files
   4 // Author:      Francesco Montorsi
   5 // Created:     2008/03/17
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2008 Francesco Montorsi
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11
  12 #ifndef _XMLPARSER_H_
  13 #define _XMLPARSER_H_
  14
  15 #include <wx/txtstrm.h>
  16 #include <wx/dynarray.h>
  17 #include <wx/xml/xml.h>
  18
  19 // helper macros
  20 #define LogMessage(fmt, ...)   { wxPrintf(fmt "\n", __VA_ARGS__); fflush(stdout); }
  21 #define LogWarning(fmt, ...)   { wxPrintf(fmt "\n", __VA_ARGS__); fflush(stdout); }
  22 #define LogError(fmt, ...)     { wxPrintf("ERROR: " fmt "\n", __VA_ARGS__); fflush(stdout); }
  23 #define wxPrint(str)           { wxPrintf(str); fflush(stdout); }
  24
  25
  26 // ----------------------------------------------------------------------------
  27 // Represents a type with or without const/static/ qualifier
  28 // and with or without & and * operators
  29 // ----------------------------------------------------------------------------
  30 class wxType
  31 {
  32 public:
  33     wxType() {}
  34     wxType(const wxString& type)
  35         { SetFromString(type); }
  36
  37     void SetFromString(const wxString& t);
  38     wxString GetAsString() const
  39         { return m_strType; }
  40
  41     wxString GetClean() const;
  42
  43     bool IsConst() const
  44         { return m_strType.Contains("const"); }
  45     bool IsStatic() const
  46         { return m_strType.Contains("static"); }
  47     bool IsPointer() const
  48         { return m_strType.Contains("*"); }
  49     bool IsReference() const
  50         { return m_strType.Contains("&"); }
  51
  52     bool operator==(const wxType& m) const;
  53     bool operator!=(const wxType& m) const
  54         { return !(*this == m); }
  55
  56     bool IsOk() const;
  57
  58 protected:
  59     wxString m_strType;
  60 };
  61
  62 extern wxType wxEmptyType;
  63 WX_DECLARE_OBJARRAY(wxType, wxTypeArray);
  64
  65
  66
  67 // ----------------------------------------------------------------------------
  68 // Represents a single prototype of a class' member.
  69 // ----------------------------------------------------------------------------
  70 class wxMethod
  71 {
  72 public:
  73     wxMethod()
  74         { m_bConst=m_bVirtual=m_bStatic=m_bDeprecated=false; m_nLine=-1; }
  75
  76     wxMethod(const wxType& rettype, const wxString& name,
  77              const wxTypeArray& arguments, const wxArrayString& defaults,
  78              bool isConst, bool isStatic, bool isVirtual)
  79         : m_retType(rettype), m_strName(name.Strip(wxString::both)),
  80           m_bConst(isConst), m_bStatic(isStatic), m_bVirtual(isVirtual)
  81         { SetArgumentTypes(arguments,defaults); m_nLine=-1; }
  82
  83
  84 public:     // getters
  85
  86     //void SetFromString(const wxString& proto);
  87     wxString GetAsString() const;
  88
  89     // parser of the prototype:
  90     // all these functions return strings with spaces stripped
  91     wxType GetReturnType() const
  92         { return m_retType; }
  93     wxString GetName() const
  94         { return m_strName; }
  95     wxTypeArray GetArgumentTypes() const
  96         { return m_args; }
  97     wxArrayString GetArgumentDefaults() const
  98         { return m_argDefaults; }
  99     int GetLocation() const
 100         { return m_nLine; }
 101
 102     bool IsConst() const
 103         { return m_bConst; }
 104     bool IsStatic() const
 105         { return m_bStatic; }
 106     bool IsVirtual() const
 107         { return m_bVirtual; }
 108
 109     bool IsOk() const;
 110     bool IsCtor() const
 111         { return m_retType==wxEmptyType && !m_strName.StartsWith("~"); }
 112     bool IsDtor() const
 113         { return m_retType==wxEmptyType && m_strName.StartsWith("~"); }
 114
 115     bool IsDeprecated() const
 116         { return m_bDeprecated; }
 117
 118
 119 public:     // setters
 120
 121     void SetReturnType(const wxType& t)
 122         { m_retType=t; }
 123     void SetName(const wxString& name)
 124         { m_strName=name; }
 125     void SetArgumentTypes(const wxTypeArray& arr, const wxArrayString& defaults);
 126     void SetConst(bool c = true)
 127         { m_bConst=c; }
 128     void SetStatic(bool c = true)
 129         { m_bStatic=c; }
 130     void SetVirtual(bool c = true)
 131         { m_bVirtual=c; }
 132     void SetDeprecated(bool c = true)
 133         { m_bDeprecated=c; }
 134     void SetLocation(int lineNumber)
 135         { m_nLine=lineNumber; }
 136
 137 public:     // misc
 138
 139     bool operator==(const wxMethod&) const;
 140     bool operator!=(const wxMethod& m) const
 141         { return !(*this == m); }
 142
 143     void Dump(wxTextOutputStream& stream) const;
 144
 145 protected:
 146     wxType m_retType;
 147     wxString m_strName;
 148     wxTypeArray m_args;
 149     wxArrayString m_argDefaults;
 150     bool m_bConst;
 151     bool m_bStatic;
 152     bool m_bVirtual;
 153     bool m_bDeprecated;
 154     int m_nLine;
 155 };
 156
 157 WX_DECLARE_OBJARRAY(wxMethod, wxMethodArray);
 158 WX_DEFINE_ARRAY(const wxMethod*, wxMethodPtrArray);
 159
 160
 161 // ----------------------------------------------------------------------------
 162 // Represents a class of the wx API/interface.
 163 // ----------------------------------------------------------------------------
 164 class wxClass
 165 {
 166 public:
 167     wxClass() {}
 168     wxClass(const wxString& name, const wxString& headername)
 169         : m_strName(name), m_strHeader(headername) {}
 170
 171     void AddMethod(const wxMethod& func)
 172         { m_methods.Add(func); }
 173
 174     void SetHeader(const wxString& header)
 175         { m_strHeader=header; }
 176     void SetName(const wxString& name)
 177         { m_strName=name; }
 178     wxString GetName() const
 179         { return m_strName; }
 180     wxString GetHeader() const
 181         { return m_strHeader; }
 182     wxString GetNameWithoutTemplate() const;
 183
 184     bool IsOk() const
 185         { return !m_strName.IsEmpty() && !m_methods.IsEmpty(); }
 186
 187     bool IsValidCtorForThisClass(const wxMethod& m) const;
 188     bool IsValidDtorForThisClass(const wxMethod& m) const;
 189
 190     unsigned int GetMethodCount() const
 191         { return m_methods.GetCount(); }
 192     wxMethod& GetMethod(unsigned int n) const
 193         { return m_methods[n]; }
 194     wxMethod& GetLastMethod() const
 195         { return m_methods.Last(); }
 196
 197     // returns a single result (the first, which is also the only
 198     // one if CheckConsistency() return true)
 199     const wxMethod* FindMethod(const wxMethod& m) const;
 200
 201     // returns an array of pointers to the overloaded methods with the
 202     // same given name
 203     wxMethodPtrArray FindMethodNamed(const wxString& m) const;
 204
 205     // dumps all methods to the given output stream
 206     void Dump(wxTextOutputStream& stream) const;
 207
 208     // slow check
 209     bool CheckConsistency() const;
 210
 211 protected:
 212     wxString m_strName;
 213     wxString m_strHeader;
 214     wxMethodArray m_methods;
 215 };
 216
 217 WX_DECLARE_OBJARRAY(wxClass, wxClassArray);
 218 WX_DEFINE_ARRAY(const wxClass*, wxClassPtrArray);
 219
 220
 221
 222 // ----------------------------------------------------------------------------
 223 // wxXmlInterface
 224 // ----------------------------------------------------------------------------
 225 class wxXmlInterface
 226 {
 227 public:
 228     wxXmlInterface() {}
 229
 230     const wxClass* FindClass(const wxString& classname) const
 231         {
 232             for (unsigned int i=0; i<m_classes.GetCount(); i++)
 233                 if (m_classes[i].GetName() == classname)
 234                     return &m_classes[i];
 235             return NULL;
 236         }
 237
 238     void Dump(const wxString& filename);
 239
 240     const wxClassArray& GetClasses() const
 241         { return m_classes; }
 242
 243     unsigned int GetClassesCount() const
 244         { return m_classes.GetCount(); }
 245
 246     unsigned int GetMethodCount() const
 247         {
 248             unsigned int methods = 0;
 249             for (unsigned i=0; i < m_classes.GetCount(); i++)
 250                 methods += m_classes[i].GetMethodCount();
 251             return methods;
 252         }
 253
 254     void ShowProgress()
 255         { /*wxPrint(".");*/ }
 256
 257     bool CheckParseResults() const;
 258
 259 protected:
 260     wxClassArray m_classes;
 261 };
 262
 263 #if 1
 264 // for wxTypeIdHashMap, keys == gccxml IDs  and  values == associated type strings
 265 // e.g. key = "0x123f" and value = "const wxAboutDialogInfo&"
 266 WX_DECLARE_HASH_MAP( unsigned long, wxString,
 267                      wxIntegerHash, wxIntegerEqual,
 268                      wxTypeIdHashMap );
 269 #else
 270 #include <map>
 271 typedef std::basic_string<char> stlString;
 272 typedef std::map<unsigned long, stlString> wxTypeIdHashMap;
 273 #endif
 274
 275
 276 // ----------------------------------------------------------------------------
 277 // Represents the real interface of wxWidgets
 278 // Loads it from the XML produced by gccXML: http://www.gccxml.org
 279 // ----------------------------------------------------------------------------
 280 class wxXmlGccInterface : public wxXmlInterface
 281 {
 282 public:
 283     wxXmlGccInterface() {}
 284
 285     // !!SPEEDUP-TODO!!
 286     // Using wxXmlDocument::Load as is, all the types contained in the
 287     // the entire gccXML file are stored in memory while parsing;
 288     // however we are only interested to wx's own structs/classes/funcs/etc
 289     // so that we could use the file IDs to avoid loading stuff which does
 290     // not belong to wx. See the very end of the gccXML file: it contains
 291     // a set of <File> nodes referenced by all nodes above.
 292
 293     bool Parse(const wxString& filename);
 294     bool ParseMethod(const wxXmlNode *p,
 295                      const wxTypeIdHashMap& types,
 296                      wxMethod& m);
 297 };
 298
 299
 300 // ----------------------------------------------------------------------------
 301 // Represents the interface of the doxygen headers of wxWidgets
 302 // Loads it from the XML produced by Doxygen: http://www.doxygen.org
 303 // ----------------------------------------------------------------------------
 304 class wxXmlDoxygenInterface : public wxXmlInterface
 305 {
 306 public:
 307     wxXmlDoxygenInterface() {}
 308
 309     // !!SPEEDUP-TODO!!
 310     // Using wxXmlDocument::Load as is, the entire XML file is parsed
 311     // and an entire tree of wxXmlNodes is built in memory.
 312     // We need however only small portions of the Doxygen-generated XML: to speedup the
 313     // processing we could detach the expat callbacks when we detect the beginning of a
 314     // node we're not interested about, or just don't create a wxXmlNode for it!
 315     // This needs a modification of wxXml API.
 316
 317     bool Parse(const wxString& filename);
 318     bool ParseCompoundDefinition(const wxString& filename);
 319     bool ParseMethod(const wxXmlNode*, wxMethod&, wxString& header);
 320 };
 321
 322
 323
 324 #endif      // _XMLPARSER_H_
 325