xref: /AOO41X/main/sal/inc/rtl/strbuf.h (revision 9eab2a37907b512d383f1547f0e04306f43e3fd9)
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21 
22 
23 
24 #ifndef _RTL_STRBUF_H_
25 #define _RTL_STRBUF_H_
26 
27 #include <rtl/string.h>
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /** @HTML
34     Allocates a new <code>String</code> that contains characters from
35     the character array argument.
36 
37     The <code>count</code> argument specifies
38     the length of the array. The initial capacity of the string buffer is
39     <code>16</code> plus the length of the string argument.
40 
41     @param  newStr   out parameter, contains the new string. The reference count is 1.
42     @param  value    the initial value of the string.
43     @param  count    the length of value.
44  */
45 void SAL_CALL rtl_stringbuffer_newFromStr_WithLength( rtl_String ** newStr,
46                                                       const sal_Char * value,
47                                                       sal_Int32 count);
48 
49 /**
50     Allocates a new <code>String</code> that contains the same sequence of
51     characters as the string argument.
52 
53     The initial capacity is the larger of:
54     <ul>
55     <li> The <code>bufferLen</code> argument.
56     <li> The <code>length</code> of the string argument.
57     </ul>
58 
59     @param  newStr      out parameter, contains the new string. The reference count is 1.
60     @param  capacity    the initial len of the string buffer.
61     @param  oldStr      the initial value of the string.
62     @return the new capacity of the string buffer
63  */
64 sal_Int32 SAL_CALL rtl_stringbuffer_newFromStringBuffer( rtl_String ** newStr,
65                                                          sal_Int32 capacity,
66                                                          rtl_String * olsStr );
67 
68 /**
69     Ensures that the capacity of the buffer is at least equal to the
70     specified minimum.
71 
72     If the current capacity of this string buffer is less than the
73     argument, then a new internal buffer is allocated with greater
74     capacity. The new capacity is the larger of:
75     <ul>
76     <li>The <code>minimumCapacity</code> argument.
77     <li>Twice the old capacity, plus <code>2</code>.
78     </ul>
79     If the <code>minimumCapacity</code> argument is nonpositive, this
80     method takes no action and simply returns.
81 
82     @param   capacity         in: old capicity, out: new capacity.
83     @param   minimumCapacity   the minimum desired capacity.
84  */
85 void SAL_CALL rtl_stringbuffer_ensureCapacity(  /*inout*/rtl_String ** This,
86                                                 /*inout*/sal_Int32* capacity,
87                                                 sal_Int32 minimumCapacity);
88 
89 
90 /**
91     Inserts the string representation of the <code>char</code> array
92     argument into this string buffer.
93 
94     The characters of the array argument are inserted into the
95     contents of this string buffer at the position indicated by
96     <code>offset</code>. The length of this string buffer increases by
97     the length of the argument.
98 
99     @param  capacity    the capacity of the string buffer
100     @param  offset      the offset.
101     @param  ch          a character array.
102     @param  len         the number of characters to append.
103     @return this string buffer.
104  */
105 void SAL_CALL rtl_stringbuffer_insert( /*inout*/rtl_String ** This,
106                                        /*inout*/sal_Int32 * capacity,
107                                        sal_Int32 offset,
108                                        const sal_Char * str,
109                                        sal_Int32 len);
110 
111 #ifdef __cplusplus
112 }
113 #endif
114 
115 #endif  /* _RTL_STRBUF_H_ */
116