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