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 module glib.StringChunk; 26 27 private import glib.ConstructionException; 28 private import glib.Str; 29 private import glib.c.functions; 30 public import glib.c.types; 31 public import gtkc.glibtypes; 32 private import gtkd.Loader; 33 34 35 /** 36 * An opaque data structure representing String Chunks. 37 * It should only be accessed by using the following functions. 38 */ 39 public class StringChunk 40 { 41 /** the main Gtk struct */ 42 protected GStringChunk* gStringChunk; 43 protected bool ownedRef; 44 45 /** Get the main Gtk struct */ 46 public GStringChunk* getStringChunkStruct(bool transferOwnership = false) 47 { 48 if (transferOwnership) 49 ownedRef = false; 50 return gStringChunk; 51 } 52 53 /** the main Gtk struct as a void* */ 54 protected void* getStruct() 55 { 56 return cast(void*)gStringChunk; 57 } 58 59 /** 60 * Sets our main struct and passes it to the parent class. 61 */ 62 public this (GStringChunk* gStringChunk, bool ownedRef = false) 63 { 64 this.gStringChunk = gStringChunk; 65 this.ownedRef = ownedRef; 66 } 67 68 ~this () 69 { 70 if ( Linker.isLoaded(LIBRARY_GLIB) && ownedRef ) 71 g_string_chunk_free(gStringChunk); 72 } 73 74 75 /** 76 * Frees all strings contained within the #GStringChunk. 77 * After calling g_string_chunk_clear() it is not safe to 78 * access any of the strings which were contained within it. 79 * 80 * Since: 2.14 81 */ 82 public void clear() 83 { 84 g_string_chunk_clear(gStringChunk); 85 } 86 87 /** 88 * Frees all memory allocated by the #GStringChunk. 89 * After calling g_string_chunk_free() it is not safe to 90 * access any of the strings which were contained within it. 91 */ 92 public void free() 93 { 94 g_string_chunk_free(gStringChunk); 95 ownedRef = false; 96 } 97 98 /** 99 * Adds a copy of @string to the #GStringChunk. 100 * It returns a pointer to the new copy of the string 101 * in the #GStringChunk. The characters in the string 102 * can be changed, if necessary, though you should not 103 * change anything after the end of the string. 104 * 105 * Unlike g_string_chunk_insert_const(), this function 106 * does not check for duplicates. Also strings added 107 * with g_string_chunk_insert() will not be searched 108 * by g_string_chunk_insert_const() when looking for 109 * duplicates. 110 * 111 * Params: 112 * str = the string to add 113 * 114 * Returns: a pointer to the copy of @string within 115 * the #GStringChunk 116 */ 117 public string insert(string str) 118 { 119 auto retStr = g_string_chunk_insert(gStringChunk, Str.toStringz(str)); 120 121 scope(exit) Str.freeString(retStr); 122 return Str.toString(retStr); 123 } 124 125 /** 126 * Adds a copy of @string to the #GStringChunk, unless the same 127 * string has already been added to the #GStringChunk with 128 * g_string_chunk_insert_const(). 129 * 130 * This function is useful if you need to copy a large number 131 * of strings but do not want to waste space storing duplicates. 132 * But you must remember that there may be several pointers to 133 * the same string, and so any changes made to the strings 134 * should be done very carefully. 135 * 136 * Note that g_string_chunk_insert_const() will not return a 137 * pointer to a string added with g_string_chunk_insert(), even 138 * if they do match. 139 * 140 * Params: 141 * str = the string to add 142 * 143 * Returns: a pointer to the new or existing copy of @string 144 * within the #GStringChunk 145 */ 146 public string insertConst(string str) 147 { 148 auto retStr = g_string_chunk_insert_const(gStringChunk, Str.toStringz(str)); 149 150 scope(exit) Str.freeString(retStr); 151 return Str.toString(retStr); 152 } 153 154 /** 155 * Adds a copy of the first @len bytes of @string to the #GStringChunk. 156 * The copy is nul-terminated. 157 * 158 * Since this function does not stop at nul bytes, it is the caller's 159 * responsibility to ensure that @string has at least @len addressable 160 * bytes. 161 * 162 * The characters in the returned string can be changed, if necessary, 163 * though you should not change anything after the end of the string. 164 * 165 * Params: 166 * str = bytes to insert 167 * len = number of bytes of @string to insert, or -1 to insert a 168 * nul-terminated string 169 * 170 * Returns: a pointer to the copy of @string within the #GStringChunk 171 * 172 * Since: 2.4 173 */ 174 public string insertLen(string str, ptrdiff_t len) 175 { 176 auto retStr = g_string_chunk_insert_len(gStringChunk, Str.toStringz(str), len); 177 178 scope(exit) Str.freeString(retStr); 179 return Str.toString(retStr); 180 } 181 182 /** 183 * Creates a new #GStringChunk. 184 * 185 * Params: 186 * size = the default size of the blocks of memory which are 187 * allocated to store the strings. If a particular string 188 * is larger than this default size, a larger block of 189 * memory will be allocated for it. 190 * 191 * Returns: a new #GStringChunk 192 * 193 * Throws: ConstructionException GTK+ fails to create the object. 194 */ 195 public this(size_t size) 196 { 197 auto p = g_string_chunk_new(size); 198 199 if(p is null) 200 { 201 throw new ConstructionException("null returned by new"); 202 } 203 204 this(cast(GStringChunk*) p); 205 } 206 }