1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski *
3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file
5*b1cdbd2cSJim Jagielski * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file
7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski *
11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski *
13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the
17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski * under the License.
19*b1cdbd2cSJim Jagielski *
20*b1cdbd2cSJim Jagielski *************************************************************/
21*b1cdbd2cSJim Jagielski
22*b1cdbd2cSJim Jagielski
23*b1cdbd2cSJim Jagielski
24*b1cdbd2cSJim Jagielski #include <osl/interlck.h>
25*b1cdbd2cSJim Jagielski
26*b1cdbd2cSJim Jagielski #ifndef _RTL_STRING_HXX_
27*b1cdbd2cSJim Jagielski #include <rtl/ustrbuf.hxx>
28*b1cdbd2cSJim Jagielski #endif
29*b1cdbd2cSJim Jagielski #include <rtl/memory.h>
30*b1cdbd2cSJim Jagielski
31*b1cdbd2cSJim Jagielski /*
32*b1cdbd2cSJim Jagielski #include <rtl/alloc.h>
33*b1cdbd2cSJim Jagielski */
34*b1cdbd2cSJim Jagielski
35*b1cdbd2cSJim Jagielski
36*b1cdbd2cSJim Jagielski
37*b1cdbd2cSJim Jagielski /*************************************************************************
38*b1cdbd2cSJim Jagielski * rtl_uStringbuffer_newFromStr_WithLength
39*b1cdbd2cSJim Jagielski */
rtl_uStringbuffer_newFromStr_WithLength(rtl_uString ** newStr,const sal_Unicode * value,sal_Int32 count)40*b1cdbd2cSJim Jagielski void SAL_CALL rtl_uStringbuffer_newFromStr_WithLength( rtl_uString ** newStr,
41*b1cdbd2cSJim Jagielski const sal_Unicode * value,
42*b1cdbd2cSJim Jagielski sal_Int32 count)
43*b1cdbd2cSJim Jagielski {
44*b1cdbd2cSJim Jagielski if (!value)
45*b1cdbd2cSJim Jagielski {
46*b1cdbd2cSJim Jagielski rtl_uString_new_WithLength( newStr, 16 );
47*b1cdbd2cSJim Jagielski return;
48*b1cdbd2cSJim Jagielski }
49*b1cdbd2cSJim Jagielski
50*b1cdbd2cSJim Jagielski rtl_uString_new_WithLength( newStr, count + 16 );
51*b1cdbd2cSJim Jagielski (*newStr)->length = count;
52*b1cdbd2cSJim Jagielski rtl_copyMemory( (*newStr)->buffer, value, count * sizeof(sal_Unicode));
53*b1cdbd2cSJim Jagielski return;
54*b1cdbd2cSJim Jagielski }
55*b1cdbd2cSJim Jagielski
56*b1cdbd2cSJim Jagielski /*************************************************************************
57*b1cdbd2cSJim Jagielski * rtl_uStringbuffer_newFromStringBuffer
58*b1cdbd2cSJim Jagielski */
rtl_uStringbuffer_newFromStringBuffer(rtl_uString ** newStr,sal_Int32 capacity,rtl_uString * oldStr)59*b1cdbd2cSJim Jagielski sal_Int32 SAL_CALL rtl_uStringbuffer_newFromStringBuffer( rtl_uString ** newStr,
60*b1cdbd2cSJim Jagielski sal_Int32 capacity,
61*b1cdbd2cSJim Jagielski rtl_uString * oldStr )
62*b1cdbd2cSJim Jagielski {
63*b1cdbd2cSJim Jagielski sal_Int32 newCapacity = capacity;
64*b1cdbd2cSJim Jagielski
65*b1cdbd2cSJim Jagielski if (newCapacity < oldStr->length)
66*b1cdbd2cSJim Jagielski newCapacity = oldStr->length;
67*b1cdbd2cSJim Jagielski
68*b1cdbd2cSJim Jagielski rtl_uString_new_WithLength( newStr, newCapacity );
69*b1cdbd2cSJim Jagielski
70*b1cdbd2cSJim Jagielski if (oldStr->length > 0) {
71*b1cdbd2cSJim Jagielski (*newStr)->length = oldStr->length;
72*b1cdbd2cSJim Jagielski rtl_copyMemory( (*newStr)->buffer, oldStr->buffer, oldStr->length * sizeof(sal_Unicode));
73*b1cdbd2cSJim Jagielski }
74*b1cdbd2cSJim Jagielski return newCapacity;
75*b1cdbd2cSJim Jagielski }
76*b1cdbd2cSJim Jagielski
77*b1cdbd2cSJim Jagielski /*************************************************************************
78*b1cdbd2cSJim Jagielski * rtl_uStringbuffer_ensureCapacity
79*b1cdbd2cSJim Jagielski */
rtl_uStringbuffer_ensureCapacity(rtl_uString ** This,sal_Int32 * capacity,sal_Int32 minimumCapacity)80*b1cdbd2cSJim Jagielski void SAL_CALL rtl_uStringbuffer_ensureCapacity
81*b1cdbd2cSJim Jagielski (rtl_uString ** This, sal_Int32* capacity, sal_Int32 minimumCapacity)
82*b1cdbd2cSJim Jagielski {
83*b1cdbd2cSJim Jagielski if (minimumCapacity > *capacity)
84*b1cdbd2cSJim Jagielski {
85*b1cdbd2cSJim Jagielski rtl_uString * pTmp = *This;
86*b1cdbd2cSJim Jagielski rtl_uString * pNew = NULL;
87*b1cdbd2cSJim Jagielski *capacity = ((*This)->length + 1) * 2;
88*b1cdbd2cSJim Jagielski if (minimumCapacity > *capacity)
89*b1cdbd2cSJim Jagielski /* still lower, set to the minimum capacity */
90*b1cdbd2cSJim Jagielski *capacity = minimumCapacity;
91*b1cdbd2cSJim Jagielski
92*b1cdbd2cSJim Jagielski rtl_uString_new_WithLength(&pNew, *capacity);
93*b1cdbd2cSJim Jagielski pNew->length = (*This)->length;
94*b1cdbd2cSJim Jagielski *This = pNew;
95*b1cdbd2cSJim Jagielski
96*b1cdbd2cSJim Jagielski rtl_copyMemory( (*This)->buffer, pTmp->buffer, pTmp->length * sizeof(sal_Unicode) );
97*b1cdbd2cSJim Jagielski rtl_uString_release( pTmp );
98*b1cdbd2cSJim Jagielski }
99*b1cdbd2cSJim Jagielski }
100*b1cdbd2cSJim Jagielski
101*b1cdbd2cSJim Jagielski /*************************************************************************
102*b1cdbd2cSJim Jagielski * rtl_uStringbuffer_insert
103*b1cdbd2cSJim Jagielski */
rtl_uStringbuffer_insert(rtl_uString ** This,sal_Int32 * capacity,sal_Int32 offset,const sal_Unicode * str,sal_Int32 len)104*b1cdbd2cSJim Jagielski void SAL_CALL rtl_uStringbuffer_insert( rtl_uString ** This,
105*b1cdbd2cSJim Jagielski sal_Int32 * capacity,
106*b1cdbd2cSJim Jagielski sal_Int32 offset,
107*b1cdbd2cSJim Jagielski const sal_Unicode * str,
108*b1cdbd2cSJim Jagielski sal_Int32 len)
109*b1cdbd2cSJim Jagielski {
110*b1cdbd2cSJim Jagielski sal_Int32 nOldLen;
111*b1cdbd2cSJim Jagielski sal_Unicode * pBuf;
112*b1cdbd2cSJim Jagielski sal_Int32 n;
113*b1cdbd2cSJim Jagielski if( len != 0 )
114*b1cdbd2cSJim Jagielski {
115*b1cdbd2cSJim Jagielski if (*capacity < (*This)->length + len)
116*b1cdbd2cSJim Jagielski rtl_uStringbuffer_ensureCapacity( This, capacity, (*This)->length + len );
117*b1cdbd2cSJim Jagielski
118*b1cdbd2cSJim Jagielski /*
119*b1cdbd2cSJim Jagielski if( len == 1 )
120*b1cdbd2cSJim Jagielski This->buffer
121*b1cdbd2cSJim Jagielski */
122*b1cdbd2cSJim Jagielski nOldLen = (*This)->length;
123*b1cdbd2cSJim Jagielski pBuf = (*This)->buffer;
124*b1cdbd2cSJim Jagielski
125*b1cdbd2cSJim Jagielski /* copy the tail */
126*b1cdbd2cSJim Jagielski n = (nOldLen - offset);
127*b1cdbd2cSJim Jagielski if( n == 1 )
128*b1cdbd2cSJim Jagielski /* optimized for 1 character */
129*b1cdbd2cSJim Jagielski pBuf[offset + len] = pBuf[offset];
130*b1cdbd2cSJim Jagielski else if( n > 1 )
131*b1cdbd2cSJim Jagielski rtl_moveMemory( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Unicode) );
132*b1cdbd2cSJim Jagielski
133*b1cdbd2cSJim Jagielski /* insert the new characters */
134*b1cdbd2cSJim Jagielski if( len == 1 )
135*b1cdbd2cSJim Jagielski /* optimized for 1 character */
136*b1cdbd2cSJim Jagielski pBuf[offset] = *str;
137*b1cdbd2cSJim Jagielski else if( len > 1 )
138*b1cdbd2cSJim Jagielski rtl_copyMemory( pBuf + offset, str, len * sizeof(sal_Unicode) );
139*b1cdbd2cSJim Jagielski (*This)->length = nOldLen + len;
140*b1cdbd2cSJim Jagielski pBuf[ nOldLen + len ] = 0;
141*b1cdbd2cSJim Jagielski }
142*b1cdbd2cSJim Jagielski }
143*b1cdbd2cSJim Jagielski
rtl_uStringbuffer_insertUtf32(rtl_uString ** pThis,sal_Int32 * capacity,sal_Int32 offset,sal_uInt32 c)144*b1cdbd2cSJim Jagielski void rtl_uStringbuffer_insertUtf32(
145*b1cdbd2cSJim Jagielski rtl_uString ** pThis, sal_Int32 * capacity, sal_Int32 offset, sal_uInt32 c)
146*b1cdbd2cSJim Jagielski {
147*b1cdbd2cSJim Jagielski sal_Unicode buf[2];
148*b1cdbd2cSJim Jagielski sal_Int32 len;
149*b1cdbd2cSJim Jagielski OSL_ASSERT(c <= 0x10FFFF && !(c >= 0xD800 && c <= 0xDFFF));
150*b1cdbd2cSJim Jagielski if (c <= 0xFFFF) {
151*b1cdbd2cSJim Jagielski buf[0] = (sal_Unicode) c;
152*b1cdbd2cSJim Jagielski len = 1;
153*b1cdbd2cSJim Jagielski } else {
154*b1cdbd2cSJim Jagielski c -= 0x10000;
155*b1cdbd2cSJim Jagielski buf[0] = (sal_Unicode) ((c >> 10) | 0xD800);
156*b1cdbd2cSJim Jagielski buf[1] = (sal_Unicode) ((c & 0x3FF) | 0xDC00);
157*b1cdbd2cSJim Jagielski len = 2;
158*b1cdbd2cSJim Jagielski }
159*b1cdbd2cSJim Jagielski rtl_uStringbuffer_insert(pThis, capacity, offset, buf, len);
160*b1cdbd2cSJim Jagielski }
161*b1cdbd2cSJim Jagielski
162*b1cdbd2cSJim Jagielski /*************************************************************************
163*b1cdbd2cSJim Jagielski * rtl_uStringbuffer_insert_ascii
164*b1cdbd2cSJim Jagielski */
rtl_uStringbuffer_insert_ascii(rtl_uString ** This,sal_Int32 * capacity,sal_Int32 offset,const sal_Char * str,sal_Int32 len)165*b1cdbd2cSJim Jagielski void SAL_CALL rtl_uStringbuffer_insert_ascii( /*inout*/rtl_uString ** This,
166*b1cdbd2cSJim Jagielski /*inout*/sal_Int32 * capacity,
167*b1cdbd2cSJim Jagielski sal_Int32 offset,
168*b1cdbd2cSJim Jagielski const sal_Char * str,
169*b1cdbd2cSJim Jagielski sal_Int32 len)
170*b1cdbd2cSJim Jagielski {
171*b1cdbd2cSJim Jagielski sal_Int32 nOldLen;
172*b1cdbd2cSJim Jagielski sal_Unicode * pBuf;
173*b1cdbd2cSJim Jagielski sal_Int32 n;
174*b1cdbd2cSJim Jagielski if( len != 0 )
175*b1cdbd2cSJim Jagielski {
176*b1cdbd2cSJim Jagielski if (*capacity < (*This)->length + len)
177*b1cdbd2cSJim Jagielski rtl_uStringbuffer_ensureCapacity( This, capacity, (*This)->length + len );
178*b1cdbd2cSJim Jagielski
179*b1cdbd2cSJim Jagielski nOldLen = (*This)->length;
180*b1cdbd2cSJim Jagielski pBuf = (*This)->buffer;
181*b1cdbd2cSJim Jagielski
182*b1cdbd2cSJim Jagielski /* copy the tail */
183*b1cdbd2cSJim Jagielski n = (nOldLen - offset);
184*b1cdbd2cSJim Jagielski if( n == 1 )
185*b1cdbd2cSJim Jagielski /* optimized for 1 character */
186*b1cdbd2cSJim Jagielski pBuf[offset + len] = pBuf[offset];
187*b1cdbd2cSJim Jagielski else if( n > 1 )
188*b1cdbd2cSJim Jagielski rtl_moveMemory( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Unicode) );
189*b1cdbd2cSJim Jagielski
190*b1cdbd2cSJim Jagielski /* insert the new characters */
191*b1cdbd2cSJim Jagielski for( n = 0; n < len; n++ )
192*b1cdbd2cSJim Jagielski {
193*b1cdbd2cSJim Jagielski /* Check ASCII range */
194*b1cdbd2cSJim Jagielski OSL_ENSURE( (*str & 0x80) == 0, "Found ASCII char > 127");
195*b1cdbd2cSJim Jagielski
196*b1cdbd2cSJim Jagielski pBuf[offset + n] = (sal_Unicode)*(str++);
197*b1cdbd2cSJim Jagielski }
198*b1cdbd2cSJim Jagielski
199*b1cdbd2cSJim Jagielski (*This)->length = nOldLen + len;
200*b1cdbd2cSJim Jagielski pBuf[ nOldLen + len ] = 0;
201*b1cdbd2cSJim Jagielski }
202*b1cdbd2cSJim Jagielski }
203*b1cdbd2cSJim Jagielski
204*b1cdbd2cSJim Jagielski
205