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40 lines
1.7 KiB
C
40 lines
1.7 KiB
C
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#include "nxmutablestring.h"
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#include "foundation/error.h"
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/* currently this is closely coupled with the nx_string_t implementation. beware! */
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extern HANDLE string_heap;
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void NXMutableStringDestroy(nx_mutable_string_t mutable_string)
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{
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if (mutable_string)
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{
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if (mutable_string->nx_string_data)
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NXStringRelease(mutable_string->nx_string_data);
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HeapFree(string_heap, 0, mutable_string);
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}
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}
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nx_mutable_string_t NXMutableStringCreateFromXML(const nsxml_char_t *characters, size_t num_characters)
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{
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nx_mutable_string_t mutable_string = (nx_mutable_string_t)HeapAlloc(string_heap, 0, sizeof(nx_mutable_string_struct_t));
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NXStringCreateWithBytes(&mutable_string->nx_string_data, characters, num_characters*2, nx_charset_utf16le);
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mutable_string->allocation_length = num_characters;
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return mutable_string;
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}
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int NXMutableStringGrowFromXML(nx_mutable_string_t mutable_string, const nsxml_char_t *characters, size_t num_characters)
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{
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if (mutable_string->nx_string_data->len + num_characters + 1 > mutable_string->allocation_length)
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{
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nx_string_t new_string = NXStringRealloc(mutable_string->nx_string_data, mutable_string->nx_string_data->len + num_characters + 1);
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if (!new_string)
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return NErr_OutOfMemory;
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mutable_string->nx_string_data = new_string;
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mutable_string->allocation_length = mutable_string->nx_string_data->len + num_characters + 1;
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}
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memcpy(mutable_string->nx_string_data->string + mutable_string->nx_string_data->len, characters, num_characters*sizeof(wchar_t));
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mutable_string->nx_string_data->len += num_characters;
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mutable_string->nx_string_data->string[mutable_string->nx_string_data->len]=0; /* well null terminate */
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return NErr_Success;
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}
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