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-rw-r--r--lib/base/estring.cpp468
1 files changed, 468 insertions, 0 deletions
diff --git a/lib/base/estring.cpp b/lib/base/estring.cpp
new file mode 100644
index 00000000..bf30d5f9
--- /dev/null
+++ b/lib/base/estring.cpp
@@ -0,0 +1,468 @@
+#include <lib/base/estring.h>
+#include <ctype.h>
+#include <limits.h>
+#include <lib/base/elock.h>
+
+static pthread_mutex_t lock=PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP;
+
+///////////////////////////////////////// eString sprintf /////////////////////////////////////////////////
+eString& eString::sprintf(char *fmt, ...)
+{
+ singleLock s(lock);
+// Implements the normal sprintf method, to use format strings with eString
+// The max length of the result string is 1024 char.
+ static char buf[1024];
+ va_list ap;
+ va_start(ap, fmt);
+ std::vsnprintf(buf, 1024, fmt, ap);
+ va_end(ap);
+ assign(buf);
+ return *this;
+}
+
+///////////////////////////////////////// eString setNum(uint, uint) ///////////////////////////////////////
+eString& eString::setNum(int val, int sys)
+{
+// Returns a string that contain the value val as string
+// if sys == 16 than hexadezimal if sys == 10 than decimal
+ char buf[12];
+
+ if (sys == 10)
+ std::snprintf(buf, 12, "%i", val);
+ else if (sys == 16)
+ std::snprintf(buf, 12, "%X", val);
+
+ assign(buf);
+ return *this;
+}
+
+///////////////////////////////////////// eString replaceChars(char, char) /////////////////////////////
+eString& eString::removeChars(char fchar)
+{
+// Remove all chars that equal to fchar, and returns a reference to itself
+ unsigned int index=0;
+
+ while ( ( index = find(fchar, index) ) != npos )
+ erase(index, 1);
+
+ return *this;
+}
+
+/////////////////////////////////////// eString upper() ////////////////////////////////////////////////
+eString& eString::upper()
+{
+// convert all lowercase characters to uppercase, and returns a reference to itself
+ for (iterator it = begin(); it != end(); it++)
+ switch(*it)
+ {
+ case 'a' ... 'z' :
+ *it -= 32;
+ break;
+
+ case 'ä' :
+ *it = 'Ä';
+ break;
+
+ case 'ü' :
+ *it = 'Ü';
+ break;
+
+ case 'ö' :
+ *it = 'Ö';
+ break;
+ }
+
+ return *this;
+}
+
+eString& eString::strReplace(const char* fstr, const eString& rstr)
+{
+// replace all occurrence of fstr with rstr and, and returns a reference to itself
+ unsigned int index=0;
+ unsigned int fstrlen = strlen(fstr);
+ int rstrlen=rstr.size();
+
+ while ( ( index = find(fstr, index) ) != npos )
+ {
+ replace(index, fstrlen, rstr);
+ index+=rstrlen;
+ }
+
+ return *this;
+}
+
+int strnicmp(const char *s1, const char *s2, int len)
+{
+// makes a case insensitive string compare with len Chars
+ while ( *s1 && *s2 && len-- )
+ if ( tolower(*s1) != tolower(*s2) )
+ return tolower(*s1) < tolower(*s2) ? -1 : 1;
+ else
+ s1++, s2++;
+
+ return 0;
+}
+
+/////////////////////////////////////// eString icompare(const eString&) ////////////////////////////////////////////////
+int eString::icompare(const eString& s)
+{
+// makes a case insensitive string compare
+ std::string::const_iterator p = begin(),
+ p2 = s.begin();
+
+ while ( p != end() && p2 != s.end() )
+ if ( tolower(*p) != tolower(*p2) )
+ return tolower(*p) < tolower(*p2) ? -1 : 1;
+ else
+ p++, p2++;
+
+ return length() == s.length() ? 0 : length() < s.length() ? -1 : 1;
+}
+
+ // 8859-x to dvb coding tables. taken from www.unicode.org/Public/MAPPINGS/ISO8859/
+static unsigned long c88595[128]={
+0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+0x00a0, 0x0401, 0x0402, 0x0403, 0x0404, 0x0405, 0x0406, 0x0407, 0x0408, 0x0409, 0x040a, 0x040b, 0x040c, 0x00ad, 0x040e, 0x040f,
+0x0410, 0x0411, 0x0412, 0x0413, 0x0414, 0x0415, 0x0416, 0x0417, 0x0418, 0x0419, 0x041a, 0x041b, 0x041c, 0x041d, 0x041e, 0x041f,
+0x0420, 0x0421, 0x0422, 0x0423, 0x0424, 0x0425, 0x0426, 0x0427, 0x0428, 0x0429, 0x042a, 0x042b, 0x042c, 0x042d, 0x042e, 0x042f,
+0x0430, 0x0431, 0x0432, 0x0433, 0x0434, 0x0435, 0x0436, 0x0437, 0x0438, 0x0439, 0x043a, 0x043b, 0x043c, 0x043d, 0x043e, 0x043f,
+0x0440, 0x0441, 0x0442, 0x0443, 0x0444, 0x0445, 0x0446, 0x0447, 0x0448, 0x0449, 0x044a, 0x044b, 0x044c, 0x044d, 0x044e, 0x044f,
+0x2116, 0x0451, 0x0452, 0x0453, 0x0454, 0x0455, 0x0456, 0x0457, 0x0458, 0x0459, 0x045a, 0x045b, 0x045c, 0x00a7, 0x045e, 0x045f};
+
+static unsigned long c88596[128]={
+0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+0x00a0, 0x0000, 0x0000, 0x0000, 0x00a4, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x060c, 0x00ad, 0x0000, 0x0000,
+0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x061b, 0x0000, 0x0000, 0x0000, 0x061f,
+0x0000, 0x0621, 0x0622, 0x0623, 0x0624, 0x0625, 0x0626, 0x0627, 0x0628, 0x0629, 0x062a, 0x062b, 0x062c, 0x062d, 0x062e, 0x062f,
+0x0630, 0x0631, 0x0632, 0x0633, 0x0634, 0x0635, 0x0636, 0x0637, 0x0638, 0x0639, 0x063a, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+0x0640, 0x0641, 0x0642, 0x0643, 0x0644, 0x0645, 0x0646, 0x0647, 0x0648, 0x0649, 0x064a, 0x064b, 0x064c, 0x064d, 0x064e, 0x064f,
+0x0650, 0x0651, 0x0652, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000};
+
+static unsigned long c88597[128]={
+0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+0x00a0, 0x2018, 0x2019, 0x00a3, 0x0000, 0x0000, 0x00a6, 0x00a7, 0x00a8, 0x00a9, 0x0000, 0x00ab, 0x00ac, 0x00ad, 0x0000, 0x2015,
+0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x0384, 0x0385, 0x0386, 0x00b7, 0x0388, 0x0389, 0x038a, 0x00bb, 0x038c, 0x00bd, 0x038e, 0x038f,
+0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x0398, 0x0399, 0x039a, 0x039b, 0x039c, 0x039d, 0x039e, 0x039f,
+0x03a0, 0x03a1, 0x0000, 0x03a3, 0x03a4, 0x03a5, 0x03a6, 0x03a7, 0x03a8, 0x03a9, 0x03aa, 0x03ab, 0x03ac, 0x03ad, 0x03ae, 0x03af,
+0x03b0, 0x03b1, 0x03b2, 0x03b3, 0x03b4, 0x03b5, 0x03b6, 0x03b7, 0x03b8, 0x03b9, 0x03ba, 0x03bb, 0x03bc, 0x03bd, 0x03be, 0x03bf,
+0x03c0, 0x03c1, 0x03c2, 0x03c3, 0x03c4, 0x03c5, 0x03c6, 0x03c7, 0x03c8, 0x03c9, 0x03ca, 0x03cb, 0x03cc, 0x03cd, 0x03ce, 0x0000};
+
+static unsigned long c88598[128]={
+0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+0x00a0, 0x0000, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, 0x00a8, 0x00a9, 0x00d7, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
+0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00f7, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x0000,
+0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
+0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x2017,
+0x05d0, 0x05d1, 0x05d2, 0x05d3, 0x05d4, 0x05d5, 0x05d6, 0x05d7, 0x05d8, 0x05d9, 0x05da, 0x05db, 0x05dc, 0x05dd, 0x05de, 0x05df,
+0x05e0, 0x05e1, 0x05e2, 0x05e3, 0x05e4, 0x05e5, 0x05e6, 0x05e7, 0x05e8, 0x05e9, 0x05ea, 0x0000, 0x0000, 0x200e, 0x200f, 0x0000};
+
+static unsigned long c88599[128]={
+0x0080, 0x0081, 0x0082, 0x0083, 0x0084, 0x0085, 0x0086, 0x0087, 0x0088, 0x0089, 0x008a, 0x008b, 0x008c, 0x008d, 0x008e, 0x008f,
+0x0090, 0x0091, 0x0092, 0x0093, 0x0094, 0x0095, 0x0096, 0x0097, 0x0098, 0x0099, 0x009a, 0x009b, 0x009c, 0x009d, 0x009e, 0x009f,
+0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x00a4, 0x00a5, 0x00a6, 0x00a7, 0x00a8, 0x00a9, 0x00aa, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x00af,
+0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00b4, 0x00b5, 0x00b6, 0x00b7, 0x00b8, 0x00b9, 0x00ba, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf,
+0x00c0, 0x00c1, 0x00c2, 0x00c3, 0x00c4, 0x00c5, 0x00c6, 0x00c7, 0x00c8, 0x00c9, 0x00ca, 0x00cb, 0x00cc, 0x00cd, 0x00ce, 0x00cf,
+0x011e, 0x00d1, 0x00d2, 0x00d3, 0x00d4, 0x00d5, 0x00d6, 0x00d7, 0x00d8, 0x00d9, 0x00da, 0x00db, 0x00dc, 0x0130, 0x015e, 0x00df,
+0x00e0, 0x00e1, 0x00e2, 0x00e3, 0x00e4, 0x00e5, 0x00e6, 0x00e7, 0x00e8, 0x00e9, 0x00ea, 0x00eb, 0x00ec, 0x00ed, 0x00ee, 0x00ef,
+0x011f, 0x00f1, 0x00f2, 0x00f3, 0x00f4, 0x00f5, 0x00f6, 0x00f7, 0x00f8, 0x00f9, 0x00fa, 0x00fb, 0x00fc, 0x0131, 0x015f, 0x00ff};
+
+ // UPC Direct / HBO strange two-character encoding. 0xC2 means acute, 0xC8 doule 'dot', 0xCA small 'circle', 0xCD double 'acute', 0xCF acute.
+ // many thanks to the czechs who helped me while solving this.
+static inline unsigned int doCzech(int c1, int c2)
+{
+ switch (c1)
+ {
+ case 0xC2: // acute
+ switch (c2)
+ {
+ case 'A': return 0x00C1;
+ case 'a': return 0x00E1;
+ case 'E': return 0x00C9;
+ case 'e': return 0x00E9;
+ case 'I': return 0x00CD;
+ case 'i': return 0x00ED;
+ case 'O': return 0x00D3;
+ case 'o': return 0x00F3; // corrected, was 0x00E3
+ case 'U': return 0x00DA;
+ case 'u': return 0x00FA;
+ case 'Y': return 0x00DD;
+ case 'y': return 0x00FD;
+ default:
+ return 0;
+ }
+ case 0xC8: // double 'dot'
+ switch (c2)
+ {
+ case 'A': return 0x00C4;
+ case 'a': return 0x00E4;
+ case 'E': return 0x00CB;
+ case 'e': return 0x00EB;
+ case 'O': return 0x00D6;
+ case 'o': return 0x00F6;
+ case 'U': return 0x00DC;
+ case 'u': return 0x00FC;
+ default:
+ return 0;
+ }
+ case 0xCA: // small 'circle'
+ switch (c2)
+ {
+ case 'U': return 0x016E;
+ case 'u': return 0x016F;
+ default:
+ return 0;
+ }
+ case 0xCD: // double 'acute'
+ switch (c2)
+ {
+ case 'O': return 0x0150;
+ case 'o': return 0x0151;
+ case 'U': return 0x0170;
+ case 'u': return 0x0171;
+ default:
+ return 0;
+ }
+ case 0xCF: // caron
+ switch (c2)
+ {
+ case 'C': return 0x010C;
+ case 'c': return 0x010D;
+ case 'D': return 0x010E;
+ case 'd': return 0x010F;
+ case 'E': return 0x011A;
+ case 'e': return 0x011B;
+ case 'L': return 0x013D; // not sure if they really exist.
+ case 'l': return 0x013E;
+ case 'N': return 0x0147;
+ case 'n': return 0x0148;
+ case 'R': return 0x0158;
+ case 'r': return 0x0159;
+ case 'S': return 0x0160;
+ case 's': return 0x0161;
+ case 'T': return 0x0164;
+ case 't': return 0x0165;
+ case 'Z': return 0x017D;
+ case 'z': return 0x017E;
+ default:
+ return 0;
+ }
+ default:
+ return 0;
+ }
+}
+
+static inline unsigned int recode(unsigned char d, int cp)
+{
+ if (d < 0x80)
+ return d;
+ switch (cp)
+ {
+ case 0: // 8859-1 Latin1 <-> unicode mapping
+ return d;
+ case 1: // 8859-5 -> unicode mapping
+ return c88595[d-0x80];
+ case 2: // 8859-6 -> unicode mapping
+ return c88596[d-0x80];
+ case 3: // 8859-7 -> unicode mapping
+ return c88597[d-0x80];
+ case 4: // 8859-8 -> unicode mapping
+ return c88598[d-0x80];
+ case 5: // 8859-9 -> unicode mapping
+ return c88599[d-0x80];
+ default:
+ return d;
+ }
+}
+
+eString convertDVBUTF8(unsigned char *data, int len, int table)
+{
+ int i;
+ if (!len)
+ return "";
+
+ i=0;
+ if (data[0] <= 5)
+ table=data[i++];
+ if ((data[0] >= 0x10) && (data[0] <= 0x12))
+ return "<unsupported encoding>";
+
+ int bytesneeded=0, t=0, s=i;
+
+ for (; i<len; ++i)
+ {
+ unsigned long code=0;
+ if ((table == 5) && ((data[i] == 0xC2) || (data[i] == 0xC8) || (data[i] == 0xCA) || (data[i] == 0xCD) || (data[i] == 0xCF)) && (i+1 < len))
+ // braindead czech encoding...
+ if ((code=doCzech(data[i], data[i+1])))
+ ++i;
+ if (!code)
+ code=recode(data[i], table);
+ if (!code)
+ continue;
+ if (code >= 0x10000)
+ bytesneeded++;
+ if (code >= 0x800)
+ bytesneeded++;
+ if (code >= 0x80)
+ bytesneeded++;
+ bytesneeded++;
+ }
+
+ i=s;
+
+ unsigned char res[bytesneeded];
+
+ while (i < len)
+ {
+ unsigned long code=0;
+ if ((table == 5) && ((data[i] == 0xC2) || (data[i] == 0xC8) || (data[i] == 0xCA) || (data[i] == 0xCD) || (data[i] == 0xCF)) && (i+1 < len))
+ // braindead czech encoding...
+ if ((code=doCzech(data[i], data[i+1])))
+ i+=2;
+ if (!code)
+ code=recode(data[i++], table);
+ if (!code)
+ continue;
+ // Unicode->UTF8 encoding
+ if (code < 0x80) // identity ascii <-> utf8 mapping
+ res[t++]=char(code);
+ else if (code < 0x800) // two byte mapping
+ {
+ res[t++]=(code>>6)|0xC0;
+ res[t++]=(code&0x3F)|0x80;
+ } else if (code < 0x10000) // three bytes mapping
+ {
+ res[t++]=(code>>12)|0xE0;
+ res[t++]=((code>>6)&0x3F)|0x80;
+ res[t++]=(code&0x3F)|0x80;
+ } else
+ {
+ res[t++]=(code>>18)|0xF0;
+ res[t++]=((code>>12)&0x3F)|0x80;
+ res[t++]=((code>>6)&0x3F)|0x80;
+ res[t++]=(code&0x3F)|0x80;
+ }
+ }
+ if ( t != bytesneeded)
+ eFatal("t: %d, bytesneeded: %d", t, bytesneeded);
+ return eString().assign((char*)res, t);
+}
+
+eString convertUTF8DVB(const eString &string)
+{
+ eString ss=eString();
+
+ int len=string.length();
+ for(int i=0;i<len;i++){
+ unsigned char c1=string[i];
+ unsigned int c;
+ if(c1<0x80)
+ c=c1;
+ else{
+ i++;
+ unsigned char c2=string[i];
+ c=((c1&0x3F)<<6) + (c2&0x3F);
+ }
+ // c = UNICODE
+ // now search it in table
+ if(c>=0x80){
+ for(unsigned int j=0;j<128;j++){
+ if(c88599[j]==c){ // now only 8859-9 ....
+ c=0x80+j;
+ break;
+ }
+ }
+ }
+ ss+=c;
+ }
+
+ return ss;
+}
+
+eString convertLatin1UTF8(const eString &string)
+{
+ unsigned int bytesneeded=0, t=0, i;
+
+ unsigned int len=string.size();
+
+ for (i=0; i<len; ++i)
+ {
+ unsigned long code=string[i];
+ if (!code)
+ continue;
+ if (code >= 0x10000)
+ bytesneeded++;
+ if (code >= 0x800)
+ bytesneeded++;
+ if (code >= 0x80)
+ bytesneeded++;
+ bytesneeded++;
+ }
+
+ i=0;
+
+ unsigned char res[bytesneeded];
+
+ while (i < len)
+ {
+ unsigned long code=string[i++];
+ // Unicode->UTF8 encoding
+ if (code < 0x80) // identity latin <-> utf8 mapping
+ res[t++]=char(code);
+ else if (code < 0x800) // two byte mapping
+ {
+ res[t++]=(code>>6)|0xC0;
+ res[t++]=(code&0x3F)|0x80;
+ } else if (code < 0x10000) // three bytes mapping
+ {
+ res[t++]=(code>>12)|0xE0;
+ res[t++]=((code>>6)&0x3F)|0x80;
+ res[t++]=(code&0x3F)|0x80;
+ } else
+ {
+ res[t++]=(code>>18)|0xF0;
+ res[t++]=((code>>12)&0x3F)|0x80;
+ res[t++]=((code>>6)&0x3F)|0x80;
+ res[t++]=(code&0x3F)|0x80;
+ }
+ }
+ if ( t != bytesneeded)
+ eFatal("t: %d, bytesneeded: %d", t, bytesneeded);
+ return eString().assign((char*)res, t);
+}
+
+int isUTF8(const eString &string)
+{
+ unsigned int len=string.size();
+
+ for (unsigned int i=0; i < len; ++i)
+ {
+ if (!(string[i]&0x80)) // normal ASCII
+ continue;
+ if ((string[i] & 0xE0) == 0xC0) // one char following.
+ {
+ // first, length check:
+ if (i+1 >= len)
+ return 0; // certainly NOT utf-8
+ i++;
+ if ((string[i]&0xC0) != 0x80)
+ return 0; // no, not UTF-8.
+ } else if ((string[i] & 0xF0) == 0xE0)
+ {
+ if ((i+1) >= len)
+ return 0;
+ i++;
+ if ((string[i]&0xC0) != 0x80)
+ return 0;
+ i++;
+ if ((string[i]&0xC0) != 0x80)
+ return 0;
+ }
+ }
+ return 1; // can be UTF8 (or pure ASCII, at least no non-UTF-8 8bit characters)
+}
+
generated by cgit v1.2.3 (git 2.46.0) at 2026-01-19 03:51:06 +0000