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 private import glib.Str; 63 private import gtkc.paths; 64 private import gtkc.Loader; 65 66 67 68 /** 69 * String chunks are used to store groups of strings. Memory is 70 * allocated in blocks, and as strings are added to the GStringChunk 71 * they are copied into the next free position in a block. When a block 72 * is full a new block is allocated. 73 * 74 * When storing a large number of strings, string chunks are more 75 * efficient than using g_strdup() since fewer calls to malloc() are 76 * needed, and less memory is wasted in memory allocation overheads. 77 * 78 * By adding strings with g_string_chunk_insert_const() it is also 79 * possible to remove duplicates. 80 * 81 * To create a new GStringChunk use g_string_chunk_new(). 82 * 83 * To add strings to a GStringChunk use g_string_chunk_insert(). 84 * 85 * To add strings to a GStringChunk, but without duplicating strings 86 * which are already in the GStringChunk, use 87 * g_string_chunk_insert_const(). 88 * 89 * To free the entire GStringChunk use g_string_chunk_free(). It is 90 * not possible to free individual strings. 91 */ 92 public class StringGChunk 93 { 94 95 /** the main Gtk struct */ 96 protected GStringChunk* gStringChunk; 97 98 99 /** Get the main Gtk struct */ 100 public GStringChunk* getStringGChunkStruct() 101 { 102 return gStringChunk; 103 } 104 105 106 /** the main Gtk struct as a void* */ 107 protected void* getStruct() 108 { 109 return cast(void*)gStringChunk; 110 } 111 112 /** 113 * Sets our main struct and passes it to the parent class 114 */ 115 public this (GStringChunk* gStringChunk) 116 { 117 this.gStringChunk = gStringChunk; 118 } 119 120 ~this () 121 { 122 if ( Linker.isLoaded(LIBRARY.GLIB) && gStringChunk !is null ) 123 { 124 g_string_chunk_free(gStringChunk); 125 } 126 } 127 128 /** 129 */ 130 131 /** 132 * Creates a new GStringChunk. 133 * Params: 134 * size = the default size of the blocks of memory which are 135 * allocated to store the strings. If a particular string 136 * is larger than this default size, a larger block of 137 * memory will be allocated for it. 138 * Throws: ConstructionException GTK+ fails to create the object. 139 */ 140 public this (gsize size) 141 { 142 // GStringChunk * g_string_chunk_new (gsize size); 143 auto p = g_string_chunk_new(size); 144 if(p is null) 145 { 146 throw new ConstructionException("null returned by g_string_chunk_new(size)"); 147 } 148 this(cast(GStringChunk*) p); 149 } 150 151 /** 152 * Adds a copy of string to the GStringChunk. 153 * It returns a pointer to the new copy of the string 154 * in the GStringChunk. The characters in the string 155 * can be changed, if necessary, though you should not 156 * change anything after the end of the string. 157 * Unlike g_string_chunk_insert_const(), this function 158 * does not check for duplicates. Also strings added 159 * with g_string_chunk_insert() will not be searched 160 * by g_string_chunk_insert_const() when looking for 161 * duplicates. 162 * Params: 163 * string = the string to add 164 * Returns: a pointer to the copy of string within the GStringChunk 165 */ 166 public string insert(string string) 167 { 168 // gchar * g_string_chunk_insert (GStringChunk *chunk, const gchar *string); 169 return Str.toString(g_string_chunk_insert(gStringChunk, Str.toStringz(string))); 170 } 171 172 /** 173 * Adds a copy of string to the GStringChunk, unless the same 174 * string has already been added to the GStringChunk with 175 * g_string_chunk_insert_const(). 176 * This function is useful if you need to copy a large number 177 * of strings but do not want to waste space storing duplicates. 178 * But you must remember that there may be several pointers to 179 * the same string, and so any changes made to the strings 180 * should be done very carefully. 181 * Note that g_string_chunk_insert_const() will not return a 182 * pointer to a string added with g_string_chunk_insert(), even 183 * if they do match. 184 * Params: 185 * string = the string to add 186 * Returns: a pointer to the new or existing copy of string within the GStringChunk 187 */ 188 public string insertConst(string string) 189 { 190 // gchar * g_string_chunk_insert_const (GStringChunk *chunk, const gchar *string); 191 return Str.toString(g_string_chunk_insert_const(gStringChunk, Str.toStringz(string))); 192 } 193 194 /** 195 * Adds a copy of the first len bytes of string to the GStringChunk. 196 * The copy is nul-terminated. 197 * Since this function does not stop at nul bytes, it is the caller's 198 * responsibility to ensure that string has at least len addressable 199 * bytes. 200 * The characters in the returned string can be changed, if necessary, 201 * though you should not change anything after the end of the string. 202 * Since 2.4 203 * Params: 204 * string = bytes to insert 205 * len = number of bytes of string to insert, or -1 to insert a 206 * nul-terminated string 207 * Returns: a pointer to the copy of string within the GStringChunk 208 */ 209 public string insertLen(string string, gssize len) 210 { 211 // gchar * g_string_chunk_insert_len (GStringChunk *chunk, const gchar *string, gssize len); 212 return Str.toString(g_string_chunk_insert_len(gStringChunk, Str.toStringz(string), len)); 213 } 214 215 /** 216 * Frees all strings contained within the GStringChunk. 217 * After calling g_string_chunk_clear() it is not safe to 218 * access any of the strings which were contained within it. 219 * Since 2.14 220 */ 221 public void clear() 222 { 223 // void g_string_chunk_clear (GStringChunk *chunk); 224 g_string_chunk_clear(gStringChunk); 225 } 226 227 /** 228 * Frees all memory allocated by the GStringChunk. 229 * After calling g_string_chunk_free() it is not safe to 230 * access any of the strings which were contained within it. 231 */ 232 public void free() 233 { 234 // void g_string_chunk_free (GStringChunk *chunk); 235 g_string_chunk_free(gStringChunk); 236 } 237 }