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-rw-r--r--src/utilfuns/utilstr.cpp217
1 files changed, 179 insertions, 38 deletions
diff --git a/src/utilfuns/utilstr.cpp b/src/utilfuns/utilstr.cpp
index 67ffcd5..cabd455 100644
--- a/src/utilfuns/utilstr.cpp
+++ b/src/utilfuns/utilstr.cpp
@@ -1,5 +1,10 @@
-/*
- * Copyright 2009 CrossWire Bible Society (http://www.crosswire.org)
+/******************************************************************************
+ *
+ * utilstr.cpp - String utility functions
+ *
+ * $Id: utilstr.cpp 2982 2013-09-15 13:33:03Z scribe $
+ *
+ * Copyright 1997-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
@@ -26,42 +31,40 @@
SWORD_NAMESPACE_START
-const unsigned char SW_toupper_array[256] =
- {
- 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
- 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
- 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
- 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
- 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
- 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
- 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
- 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
- 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
- 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
- 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
- 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
- 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
- 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
- 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
- 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
- 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
- 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
- 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
- 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
- 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
- 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
- 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
- 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
- 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
- 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xf7,
- 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff
- };
-
+const unsigned char SW_toupper_array[256] = {
+ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
+ 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+ 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
+ 0x60, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
+ 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
+ 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
+ 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+ 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
+ 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
+ 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
+ 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
+ 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
+ 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
+ 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+ 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+ 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
+ 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
+ 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
+ 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
+ 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xf7,
+ 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xff
+};
/******************************************************************************
@@ -243,6 +246,103 @@ __u32 getUniCharFromUTF8(const unsigned char **buf) {
}
+SWBuf getUTF8FromUniChar(__u32 uchar) {
+ SWBuf retVal("", 7);
+ unsigned int i;
+
+ if (uchar < 0x80) {
+ retVal.append((unsigned char)uchar);
+ retVal.setSize(1);
+ }
+ else if (uchar < 0x800) {
+ retVal.setSize(2);
+ i = uchar & 0x3f;
+ retVal[1] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x1f;
+ retVal[0] = (unsigned char)(0xc0 | i);
+ }
+ else if (uchar < 0x10000) {
+ retVal.setSize(3);
+ i = uchar & 0x3f;
+ retVal[2] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[1] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x0f;
+ retVal[0] = (unsigned char)(0xe0 | i);
+ }
+ else if (uchar < 0x200000) {
+ retVal.setSize(4);
+ i = uchar & 0x3f;
+ retVal[3] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[2] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[1] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x07;
+ retVal[0] = (unsigned char)(0xf0 | i);
+ }
+ else if (uchar < 0x4000000) {
+ retVal.setSize(5);
+ i = uchar & 0x3f;
+ retVal[4] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[3] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[2] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[1] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x03;
+ retVal[0] = (unsigned char)(0xf8 | i);
+ }
+ else if (uchar < 0x80000000) {
+ retVal.setSize(6);
+ i = uchar & 0x3f;
+ retVal[5] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[4] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[3] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[2] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x3f;
+ retVal[1] = (unsigned char)(0x80 | i);
+ uchar >>= 6;
+
+ i = uchar & 0x01;
+ retVal[0] = (unsigned char)(0xfc | i);
+ }
+
+ return retVal;
+}
+
SWBuf assureValidUTF8(const char *buf) {
@@ -269,4 +369,45 @@ SWBuf assureValidUTF8(const char *buf) {
return myCopy;
}
+
+/****
+ * This can be called to convert a UTF8 stream to an SWBuf which manages
+ * a wchar_t[]
+ * access buffer with (wchar_t *)SWBuf::getRawData();
+ *
+ */
+SWBuf utf8ToWChar(const char *buf) {
+
+ const char *q = 0;
+ SWBuf wcharBuf;
+ while (*buf) {
+ q = buf;
+ wchar_t wc = getUniCharFromUTF8((const unsigned char **)&buf);
+ if (!wc) {
+ // if my buffer was advanced but nothing was converted, I had invalid data
+ if (buf - q) {
+ // invalid bytes in UTF8 stream
+ wcharBuf.append((wchar_t)0x1a); // unicode replacement character
+ }
+ }
+ else wcharBuf.append(wc);
+ }
+ return wcharBuf;
+}
+
+
+/****
+ * This can be called to convert a wchar_t[] to a UTF-8 SWBuf
+ *
+ */
+SWBuf wcharToUTF8(const wchar_t *buf) {
+
+ SWBuf utf8Buf;
+ while (*buf) {
+ utf8Buf.append(getUTF8FromUniChar(*buf++));
+ }
+ return utf8Buf;
+}
+
+
SWORD_NAMESPACE_END
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:39:31 +0000