1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 /* 25 * Conversion parameters: 26 * inFile = glib-String-Chunks.html 27 * outPack = glib 28 * outFile = StringGChunk 29 * strct = GStringChunk 30 * realStrct= 31 * ctorStrct= 32 * clss = StringGChunk 33 * interf = 34 * class Code: Yes 35 * interface Code: No 36 * template for: 37 * extend = 38 * implements: 39 * prefixes: 40 * - g_string_chunk_ 41 * omit structs: 42 * omit prefixes: 43 * omit code: 44 * omit signals: 45 * imports: 46 * - glib.Str 47 * - gtkc.paths 48 * - gtkc.Loader 49 * structWrap: 50 * module aliases: 51 * local aliases: 52 * overrides: 53 */ 54 55 module glib.StringGChunk; 56 57 public import gtkc.glibtypes; 58 59 private import gtkc.glib; 60 private import glib.ConstructionException; 61 62 63 private import glib.Str; 64 private import gtkc.paths; 65 private import gtkc.Loader; 66 67 68 69 70 /** 71 * String chunks are used to store groups of strings. Memory is 72 * allocated in blocks, and as strings are added to the GStringChunk 73 * they are copied into the next free position in a block. When a block 74 * is full a new block is allocated. 75 * 76 * When storing a large number of strings, string chunks are more 77 * efficient than using g_strdup() since fewer calls to malloc() are 78 * needed, and less memory is wasted in memory allocation overheads. 79 * 80 * By adding strings with g_string_chunk_insert_const() it is also 81 * possible to remove duplicates. 82 * 83 * To create a new GStringChunk use g_string_chunk_new(). 84 * 85 * To add strings to a GStringChunk use g_string_chunk_insert(). 86 * 87 * To add strings to a GStringChunk, but without duplicating strings 88 * which are already in the GStringChunk, use 89 * g_string_chunk_insert_const(). 90 * 91 * To free the entire GStringChunk use g_string_chunk_free(). It is 92 * not possible to free individual strings. 93 */ 94 public class StringGChunk 95 { 96 97 /** the main Gtk struct */ 98 protected GStringChunk* gStringChunk; 99 100 101 public GStringChunk* getStringGChunkStruct() 102 { 103 return gStringChunk; 104 } 105 106 107 /** the main Gtk struct as a void* */ 108 protected void* getStruct() 109 { 110 return cast(void*)gStringChunk; 111 } 112 113 /** 114 * Sets our main struct and passes it to the parent class 115 */ 116 public this (GStringChunk* gStringChunk) 117 { 118 this.gStringChunk = gStringChunk; 119 } 120 121 ~this () 122 { 123 if ( Linker.isLoaded(LIBRARY.GLIB) && gStringChunk !is null ) 124 { 125 g_string_chunk_free(gStringChunk); 126 } 127 } 128 129 /** 130 */ 131 132 /** 133 * Creates a new GStringChunk. 134 * Params: 135 * size = the default size of the blocks of memory which are 136 * allocated to store the strings. If a particular string 137 * is larger than this default size, a larger block of 138 * memory will be allocated for it. 139 * Throws: ConstructionException GTK+ fails to create the object. 140 */ 141 public this (gsize size) 142 { 143 // GStringChunk * g_string_chunk_new (gsize size); 144 auto p = g_string_chunk_new(size); 145 if(p is null) 146 { 147 throw new ConstructionException("null returned by g_string_chunk_new(size)"); 148 } 149 this(cast(GStringChunk*) p); 150 } 151 152 /** 153 * Adds a copy of string to the GStringChunk. 154 * It returns a pointer to the new copy of the string 155 * in the GStringChunk. The characters in the string 156 * can be changed, if necessary, though you should not 157 * change anything after the end of the string. 158 * Unlike g_string_chunk_insert_const(), this function 159 * does not check for duplicates. Also strings added 160 * with g_string_chunk_insert() will not be searched 161 * by g_string_chunk_insert_const() when looking for 162 * duplicates. 163 * Params: 164 * string = the string to add 165 * Returns: a pointer to the copy of string within the GStringChunk 166 */ 167 public string insert(string string) 168 { 169 // gchar * g_string_chunk_insert (GStringChunk *chunk, const gchar *string); 170 return Str.toString(g_string_chunk_insert(gStringChunk, Str.toStringz(string))); 171 } 172 173 /** 174 * Adds a copy of string to the GStringChunk, unless the same 175 * string has already been added to the GStringChunk with 176 * g_string_chunk_insert_const(). 177 * This function is useful if you need to copy a large number 178 * of strings but do not want to waste space storing duplicates. 179 * But you must remember that there may be several pointers to 180 * the same string, and so any changes made to the strings 181 * should be done very carefully. 182 * Note that g_string_chunk_insert_const() will not return a 183 * pointer to a string added with g_string_chunk_insert(), even 184 * if they do match. 185 * Params: 186 * string = the string to add 187 * Returns: a pointer to the new or existing copy of string within the GStringChunk 188 */ 189 public string insertConst(string string) 190 { 191 // gchar * g_string_chunk_insert_const (GStringChunk *chunk, const gchar *string); 192 return Str.toString(g_string_chunk_insert_const(gStringChunk, Str.toStringz(string))); 193 } 194 195 /** 196 * Adds a copy of the first len bytes of string to the GStringChunk. 197 * The copy is nul-terminated. 198 * Since this function does not stop at nul bytes, it is the caller's 199 * responsibility to ensure that string has at least len addressable 200 * bytes. 201 * The characters in the returned string can be changed, if necessary, 202 * though you should not change anything after the end of the string. 203 * Since 2.4 204 * Params: 205 * string = bytes to insert 206 * len = number of bytes of string to insert, or -1 to insert a 207 * nul-terminated string 208 * Returns: a pointer to the copy of string within the GStringChunk 209 */ 210 public string insertLen(string string, gssize len) 211 { 212 // gchar * g_string_chunk_insert_len (GStringChunk *chunk, const gchar *string, gssize len); 213 return Str.toString(g_string_chunk_insert_len(gStringChunk, Str.toStringz(string), len)); 214 } 215 216 /** 217 * Frees all strings contained within the GStringChunk. 218 * After calling g_string_chunk_clear() it is not safe to 219 * access any of the strings which were contained within it. 220 * Since 2.14 221 */ 222 public void clear() 223 { 224 // void g_string_chunk_clear (GStringChunk *chunk); 225 g_string_chunk_clear(gStringChunk); 226 } 227 228 /** 229 * Frees all memory allocated by the GStringChunk. 230 * After calling g_string_chunk_free() it is not safe to 231 * access any of the strings which were contained within it. 232 */ 233 public void free() 234 { 235 // void g_string_chunk_free (GStringChunk *chunk); 236 g_string_chunk_free(gStringChunk); 237 } 238 }