OpenTTD
strings_func.h
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1 /* $Id: strings_func.h 27758 2017-02-26 19:41:30Z frosch $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * 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.
6  * 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.
7  * 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/>.
8  */
9 
12 #ifndef STRINGS_FUNC_H
13 #define STRINGS_FUNC_H
14 
15 #include "strings_type.h"
16 #include "string_type.h"
17 #include "gfx_type.h"
18 #include "core/bitmath_func.hpp"
19 
25 static inline StringTab GetStringTab(StringID str)
26 {
27  StringTab result = (StringTab)(str >> TAB_SIZE_BITS);
28  if (result >= TEXT_TAB_NEWGRF_START) return TEXT_TAB_NEWGRF_START;
30  return result;
31 }
32 
38 static inline uint GetStringIndex(StringID str)
39 {
40  return str - (GetStringTab(str) << TAB_SIZE_BITS);
41 }
42 
49 static inline StringID MakeStringID(StringTab tab, uint index)
50 {
51  if (tab == TEXT_TAB_NEWGRF_START) {
52  assert(index < TAB_SIZE_NEWGRF);
53  } else if (tab == TEXT_TAB_GAMESCRIPT_START) {
54  assert(index < TAB_SIZE_GAMESCRIPT);
55  } else {
56  assert(tab < TEXT_TAB_END);
57  assert(index < TAB_SIZE);
58  }
59  return (tab << TAB_SIZE_BITS) + index;
60 }
61 
64  uint64 *data;
66 
67 public:
68  uint offset;
69  uint num_param;
70 
73  parent(NULL),
74  data(data),
75  type(type),
76  offset(0),
77  num_param(num_param)
78  { }
79 
81  template <size_t Tnum_param>
82  StringParameters(int64 (&data)[Tnum_param]) :
83  parent(NULL),
84  data((uint64 *)data),
85  type(NULL),
86  offset(0),
87  num_param(Tnum_param)
88  {
89  assert_compile(sizeof(data[0]) == sizeof(uint64));
90  }
91 
97  parent(&parent),
98  data(parent.data + parent.offset),
99  offset(0),
100  num_param(size)
101  {
102  assert(size <= parent.GetDataLeft());
103  if (parent.type == NULL) {
104  this->type = NULL;
105  } else {
106  this->type = parent.type + parent.offset;
107  }
108  }
109 
111  {
112  if (this->parent != NULL) {
113  this->parent->offset += this->num_param;
114  }
115  }
116 
117  void ClearTypeInformation();
118 
119  int64 GetInt64(WChar type = 0);
120 
122  int32 GetInt32(WChar type = 0)
123  {
124  return (int32)this->GetInt64(type);
125  }
126 
127  void ShiftParameters(uint amount);
128 
130  uint64 *GetDataPointer() const
131  {
132  return &this->data[this->offset];
133  }
134 
136  uint GetDataLeft() const
137  {
138  return this->num_param - this->offset;
139  }
140 
142  uint64 *GetPointerToOffset(uint offset) const
143  {
144  assert(offset < this->num_param);
145  return &this->data[offset];
146  }
147 
149  bool HasTypeInformation() const
150  {
151  return this->type != NULL;
152  }
153 
156  {
157  assert(offset < this->num_param);
158  assert(this->HasTypeInformation());
159  return this->type[offset];
160  }
161 
162  void SetParam(uint n, uint64 v)
163  {
164  assert(n < this->num_param);
165  this->data[n] = v;
166  }
167 
168  uint64 GetParam(uint n) const
169  {
170  assert(n < this->num_param);
171  return this->data[n];
172  }
173 };
174 extern StringParameters _global_string_params;
175 
176 char *GetString(char *buffr, StringID string, const char *last);
177 char *GetStringWithArgs(char *buffr, StringID string, StringParameters *args, const char *last, uint case_index = 0, bool game_script = false);
178 const char *GetStringPtr(StringID string);
179 
180 uint ConvertKmhishSpeedToDisplaySpeed(uint speed);
181 uint ConvertDisplaySpeedToKmhishSpeed(uint speed);
182 
183 void InjectDParam(uint amount);
184 
191 static inline void SetDParamX(uint64 *s, uint n, uint64 v)
192 {
193  s[n] = v;
194 }
195 
201 static inline void SetDParam(uint n, uint64 v)
202 {
203  _global_string_params.SetParam(n, v);
204 }
205 
206 void SetDParamMaxValue(uint n, uint64 max_value, uint min_count = 0, FontSize size = FS_NORMAL);
207 void SetDParamMaxDigits(uint n, uint count, FontSize size = FS_NORMAL);
208 
209 void SetDParamStr(uint n, const char *str);
210 
211 void CopyInDParam(int offs, const uint64 *src, int num);
212 void CopyOutDParam(uint64 *dst, int offs, int num);
213 void CopyOutDParam(uint64 *dst, const char **strings, StringID string, int num);
214 
221 static inline uint64 GetDParamX(const uint64 *s, uint n)
222 {
223  return s[n];
224 }
225 
231 static inline uint64 GetDParam(uint n)
232 {
233  return _global_string_params.GetParam(n);
234 }
235 
237 
239 const char *GetCurrentLanguageIsoCode();
240 
241 int CDECL StringIDSorter(const StringID *a, const StringID *b);
242 
247 public:
250 
255  virtual const char *NextString() = 0;
256 
261  virtual FontSize DefaultSize() = 0;
262 
266  virtual void Reset() = 0;
267 
272  virtual bool Monospace() = 0;
273 
279  virtual void SetFontNames(struct FreeTypeSettings *settings, const char *font_name) = 0;
280 
281  bool FindMissingGlyphs(const char **str);
282 };
283 
284 void CheckForMissingGlyphs(bool base_font = true, MissingGlyphSearcher *search = NULL);
285 
286 #endif /* STRINGS_FUNC_H */