diff options
Diffstat (limited to 'deps/node/deps/icu-small/source/common/cstring.cpp')
-rw-r--r-- | deps/node/deps/icu-small/source/common/cstring.cpp | 341 |
1 files changed, 0 insertions, 341 deletions
diff --git a/deps/node/deps/icu-small/source/common/cstring.cpp b/deps/node/deps/icu-small/source/common/cstring.cpp deleted file mode 100644 index a06bd3c7..00000000 --- a/deps/node/deps/icu-small/source/common/cstring.cpp +++ /dev/null @@ -1,341 +0,0 @@ -// © 2016 and later: Unicode, Inc. and others. -// License & terms of use: http://www.unicode.org/copyright.html -/* -****************************************************************************** -* -* Copyright (C) 1997-2011, International Business Machines -* Corporation and others. All Rights Reserved. -* -****************************************************************************** -* -* File CSTRING.C -* -* @author Helena Shih -* -* Modification History: -* -* Date Name Description -* 6/18/98 hshih Created -* 09/08/98 stephen Added include for ctype, for Mac Port -* 11/15/99 helena Integrated S/390 IEEE changes. -****************************************************************************** -*/ - - - -#include <stdlib.h> -#include <stdio.h> -#include "unicode/utypes.h" -#include "cmemory.h" -#include "cstring.h" -#include "uassert.h" - -/* - * We hardcode case conversion for invariant characters to match our expectation - * and the compiler execution charset. - * This prevents problems on systems - * - with non-default casing behavior, like Turkish system locales where - * tolower('I') maps to dotless i and toupper('i') maps to dotted I - * - where there are no lowercase Latin characters at all, or using different - * codes (some old EBCDIC codepages) - * - * This works because the compiler usually runs on a platform where the execution - * charset includes all of the invariant characters at their expected - * code positions, so that the char * string literals in ICU code match - * the char literals here. - * - * Note that the set of lowercase Latin letters is discontiguous in EBCDIC - * and the set of uppercase Latin letters is discontiguous as well. - */ - -U_CAPI UBool U_EXPORT2 -uprv_isASCIILetter(char c) { -#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY - return - ('a'<=c && c<='i') || ('j'<=c && c<='r') || ('s'<=c && c<='z') || - ('A'<=c && c<='I') || ('J'<=c && c<='R') || ('S'<=c && c<='Z'); -#else - return ('a'<=c && c<='z') || ('A'<=c && c<='Z'); -#endif -} - -U_CAPI char U_EXPORT2 -uprv_toupper(char c) { -#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY - if(('a'<=c && c<='i') || ('j'<=c && c<='r') || ('s'<=c && c<='z')) { - c=(char)(c+('A'-'a')); - } -#else - if('a'<=c && c<='z') { - c=(char)(c+('A'-'a')); - } -#endif - return c; -} - - -#if 0 -/* - * Commented out because cstring.h defines uprv_tolower() to be - * the same as either uprv_asciitolower() or uprv_ebcdictolower() - * to reduce the amount of code to cover with tests. - * - * Note that this uprv_tolower() definition is likely to work for most - * charset families, not just ASCII and EBCDIC, because its #else branch - * is written generically. - */ -U_CAPI char U_EXPORT2 -uprv_tolower(char c) { -#if U_CHARSET_FAMILY==U_EBCDIC_FAMILY - if(('A'<=c && c<='I') || ('J'<=c && c<='R') || ('S'<=c && c<='Z')) { - c=(char)(c+('a'-'A')); - } -#else - if('A'<=c && c<='Z') { - c=(char)(c+('a'-'A')); - } -#endif - return c; -} -#endif - -U_CAPI char U_EXPORT2 -uprv_asciitolower(char c) { - if(0x41<=c && c<=0x5a) { - c=(char)(c+0x20); - } - return c; -} - -U_CAPI char U_EXPORT2 -uprv_ebcdictolower(char c) { - if( (0xc1<=(uint8_t)c && (uint8_t)c<=0xc9) || - (0xd1<=(uint8_t)c && (uint8_t)c<=0xd9) || - (0xe2<=(uint8_t)c && (uint8_t)c<=0xe9) - ) { - c=(char)(c-0x40); - } - return c; -} - - -U_CAPI char* U_EXPORT2 -T_CString_toLowerCase(char* str) -{ - char* origPtr = str; - - if (str) { - do - *str = (char)uprv_tolower(*str); - while (*(str++)); - } - - return origPtr; -} - -U_CAPI char* U_EXPORT2 -T_CString_toUpperCase(char* str) -{ - char* origPtr = str; - - if (str) { - do - *str = (char)uprv_toupper(*str); - while (*(str++)); - } - - return origPtr; -} - -/* - * Takes a int32_t and fills in a char* string with that number "radix"-based. - * Does not handle negative values (makes an empty string for them). - * Writes at most 12 chars ("-2147483647" plus NUL). - * Returns the length of the string (not including the NUL). - */ -U_CAPI int32_t U_EXPORT2 -T_CString_integerToString(char* buffer, int32_t v, int32_t radix) -{ - char tbuf[30]; - int32_t tbx = sizeof(tbuf); - uint8_t digit; - int32_t length = 0; - uint32_t uval; - - U_ASSERT(radix>=2 && radix<=16); - uval = (uint32_t) v; - if(v<0 && radix == 10) { - /* Only in base 10 do we conside numbers to be signed. */ - uval = (uint32_t)(-v); - buffer[length++] = '-'; - } - - tbx = sizeof(tbuf)-1; - tbuf[tbx] = 0; /* We are generating the digits backwards. Null term the end. */ - do { - digit = (uint8_t)(uval % radix); - tbuf[--tbx] = (char)(T_CString_itosOffset(digit)); - uval = uval / radix; - } while (uval != 0); - - /* copy converted number into user buffer */ - uprv_strcpy(buffer+length, tbuf+tbx); - length += sizeof(tbuf) - tbx -1; - return length; -} - - - -/* - * Takes a int64_t and fills in a char* string with that number "radix"-based. - * Writes at most 21: chars ("-9223372036854775807" plus NUL). - * Returns the length of the string, not including the terminating NULL. - */ -U_CAPI int32_t U_EXPORT2 -T_CString_int64ToString(char* buffer, int64_t v, uint32_t radix) -{ - char tbuf[30]; - int32_t tbx = sizeof(tbuf); - uint8_t digit; - int32_t length = 0; - uint64_t uval; - - U_ASSERT(radix>=2 && radix<=16); - uval = (uint64_t) v; - if(v<0 && radix == 10) { - /* Only in base 10 do we conside numbers to be signed. */ - uval = (uint64_t)(-v); - buffer[length++] = '-'; - } - - tbx = sizeof(tbuf)-1; - tbuf[tbx] = 0; /* We are generating the digits backwards. Null term the end. */ - do { - digit = (uint8_t)(uval % radix); - tbuf[--tbx] = (char)(T_CString_itosOffset(digit)); - uval = uval / radix; - } while (uval != 0); - - /* copy converted number into user buffer */ - uprv_strcpy(buffer+length, tbuf+tbx); - length += sizeof(tbuf) - tbx -1; - return length; -} - - -U_CAPI int32_t U_EXPORT2 -T_CString_stringToInteger(const char *integerString, int32_t radix) -{ - char *end; - return uprv_strtoul(integerString, &end, radix); - -} - -U_CAPI int U_EXPORT2 -uprv_stricmp(const char *str1, const char *str2) { - if(str1==NULL) { - if(str2==NULL) { - return 0; - } else { - return -1; - } - } else if(str2==NULL) { - return 1; - } else { - /* compare non-NULL strings lexically with lowercase */ - int rc; - unsigned char c1, c2; - - for(;;) { - c1=(unsigned char)*str1; - c2=(unsigned char)*str2; - if(c1==0) { - if(c2==0) { - return 0; - } else { - return -1; - } - } else if(c2==0) { - return 1; - } else { - /* compare non-zero characters with lowercase */ - rc=(int)(unsigned char)uprv_tolower(c1)-(int)(unsigned char)uprv_tolower(c2); - if(rc!=0) { - return rc; - } - } - ++str1; - ++str2; - } - } -} - -U_CAPI int U_EXPORT2 -uprv_strnicmp(const char *str1, const char *str2, uint32_t n) { - if(str1==NULL) { - if(str2==NULL) { - return 0; - } else { - return -1; - } - } else if(str2==NULL) { - return 1; - } else { - /* compare non-NULL strings lexically with lowercase */ - int rc; - unsigned char c1, c2; - - for(; n--;) { - c1=(unsigned char)*str1; - c2=(unsigned char)*str2; - if(c1==0) { - if(c2==0) { - return 0; - } else { - return -1; - } - } else if(c2==0) { - return 1; - } else { - /* compare non-zero characters with lowercase */ - rc=(int)(unsigned char)uprv_tolower(c1)-(int)(unsigned char)uprv_tolower(c2); - if(rc!=0) { - return rc; - } - } - ++str1; - ++str2; - } - } - - return 0; -} - -U_CAPI char* U_EXPORT2 -uprv_strdup(const char *src) { - size_t len = uprv_strlen(src) + 1; - char *dup = (char *) uprv_malloc(len); - - if (dup) { - uprv_memcpy(dup, src, len); - } - - return dup; -} - -U_CAPI char* U_EXPORT2 -uprv_strndup(const char *src, int32_t n) { - char *dup; - - if(n < 0) { - dup = uprv_strdup(src); - } else { - dup = (char*)uprv_malloc(n+1); - if (dup) { - uprv_memcpy(dup, src, n); - dup[n] = 0; - } - } - - return dup; -} |