strings_func.h

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #ifndef STRINGS_FUNC_H
00013 #define STRINGS_FUNC_H
00014 
00015 #include "strings_type.h"
00016 #include "string_type.h"
00017 
00018 class StringParameters {
00019   StringParameters *parent; 
00020   uint64 *data;             
00021   WChar *type;              
00022 
00023 public:
00024   uint offset;              
00025   uint num_param;           
00026 
00028   StringParameters(uint64 *data, uint num_param, WChar *type) :
00029     parent(NULL),
00030     data(data),
00031     type(type),
00032     offset(0),
00033     num_param(num_param)
00034   { }
00035 
00037   template <size_t Tnum_param>
00038   StringParameters(int64 (&data)[Tnum_param]) :
00039     parent(NULL),
00040     data((uint64 *)data),
00041     type(NULL),
00042     offset(0),
00043     num_param(Tnum_param)
00044   {
00045     assert_compile(sizeof(data[0]) == sizeof(uint64));
00046   }
00047 
00052   StringParameters(StringParameters &parent, uint size) :
00053     parent(&parent),
00054     data(parent.data + parent.offset),
00055     offset(0),
00056     num_param(size)
00057   {
00058     assert(size <= parent.num_param - parent.offset);
00059     if (parent.type == NULL) {
00060       this->type = NULL;
00061     } else {
00062       this->type = parent.type + parent.offset;
00063     }
00064   }
00065 
00066   ~StringParameters()
00067   {
00068     if (this->parent != NULL) {
00069       this->parent->offset += this->num_param;
00070     }
00071   }
00072 
00073   void ClearTypeInformation();
00074 
00079   int64 GetInt64(WChar type = 0)
00080   {
00081     assert(this->offset < this->num_param);
00082     if (this->type != NULL) {
00083       assert(this->type[this->offset] == 0 || this->type[this->offset] == type);
00084       this->type[this->offset] = type;
00085     }
00086     return this->data[this->offset++];
00087   }
00088 
00090   int32 GetInt32(WChar type = 0)
00091   {
00092     return (int32)this->GetInt64(type);
00093   }
00094 
00095   void ShiftParameters(uint amount);
00096 
00098   uint64 *GetDataPointer() const
00099   {
00100     return &this->data[this->offset];
00101   }
00102 
00104   uint64 *GetPointerToOffset(uint offset) const
00105   {
00106     assert(offset < this->num_param);
00107     return &this->data[offset];
00108   }
00109 
00111   bool HasTypeInformation() const
00112   {
00113     return this->type != NULL;
00114   }
00115 
00117   WChar GetTypeAtOffset(uint offset) const
00118   {
00119     assert(offset < this->num_param);
00120     assert(this->HasTypeInformation());
00121     return this->type[offset];
00122   }
00123 
00124   void SetParam(uint n, uint64 v)
00125   {
00126     assert(n < this->num_param);
00127     this->data[n] = v;
00128   }
00129 
00130   uint64 GetParam(uint n) const
00131   {
00132     assert(n < this->num_param);
00133     return this->data[n];
00134   }
00135 };
00136 extern StringParameters _global_string_params;
00137 
00138 char *InlineString(char *buf, StringID string);
00139 char *GetString(char *buffr, StringID string, const char *last);
00140 char *GetStringWithArgs(char *buffr, uint string, StringParameters *args, const char *last);
00141 const char *GetStringPtr(StringID string);
00142 
00143 void InjectDParam(uint amount);
00144 
00151 static inline void SetDParamX(uint64 *s, uint n, uint64 v)
00152 {
00153   s[n] = v;
00154 }
00155 
00161 static inline void SetDParam(uint n, uint64 v)
00162 {
00163   _global_string_params.SetParam(n, v);
00164 }
00165 
00166 void SetDParamStr(uint n, const char *str);
00167 
00168 void CopyInDParam(int offs, const uint64 *src, int num);
00169 void CopyOutDParam(uint64 *dst, int offs, int num);
00170 
00177 static inline uint64 GetDParamX(const uint64 *s, uint n)
00178 {
00179   return s[n];
00180 }
00181 
00187 static inline uint64 GetDParam(uint n)
00188 {
00189   return _global_string_params.GetParam(n);
00190 }
00191 
00192 extern TextDirection _current_text_dir; 
00193 
00194 void InitializeLanguagePacks();
00195 const char *GetCurrentLanguageIsoCode();
00196 
00197 int CDECL StringIDSorter(const StringID *a, const StringID *b);
00198 
00199 void CheckForMissingGlyphsInLoadedLanguagePack();
00200 
00201 #endif /* STRINGS_FUNC_H */

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