ICU-133 Added u_isalnum(), cleaned comments
X-SVN-Rev: 190
This commit is contained in:
Vladimir Weinstein
parent
382c5b0182
commit
42a1b1cbf2
@ -20,6 +20,7 @@
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* 4/15/99 Madhu Updated all the function definitions for C Implementation
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* 5/20/99 Madhu Added the function u_getVersion()
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* 8/19/1999 srl Upgraded scripts to Unicode3.0
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* 11/11/1999 weiv added u_isalnum(), cleaned comments
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********************************************************************************************
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*/
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#include "utypes.h"
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@ -4849,6 +4850,14 @@ u_istitle(UChar ch)
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return (ucmp8_get(tables, ch) == U_TITLECASE_LETTER);
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}
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/* Checks if ch is a letter or a decimal digit */
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bool_t
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u_isalnum(UChar ch)
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{
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return (u_isdigit(ch) || u_isalpha(ch));
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}
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/* Checks if ch is a decimal digit. */
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bool_t
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u_isdigit(UChar ch)
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@ -21,6 +21,7 @@
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* 5/20/99 Madhu Added the function u_getVersion()
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* 8/19/1999 srl Upgraded scripts to Unicode 3.0
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* 8/27/1999 schererm UCharDirection constants: U_...
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* 11/11/1999 weiv added u_isalnum(), cleaned comments
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********************************************************************************
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*/
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@ -397,9 +398,9 @@ typedef enum UCellWidth UCellWidth;
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* @param ch the character to be tested
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* @return true if the character is lowercase; false otherwise.
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* @see UNICODE_VERSION
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* @see uisupper()
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* @see uistitle()
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* @see uislower()
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* @see u_isupper()
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* @see u_istitle()
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* @see u_islower()
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*/
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U_CAPI bool_t U_EXPORT2
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u_islower(UChar c);
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@ -410,9 +411,9 @@ u_islower(UChar c);
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*
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* @param ch the character to be tested
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* @return true if the character is uppercase; false otherwise.
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* @see uislower()
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* @see uistitle
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* @see utolower()
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* @see u_islower()
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* @see u_istitle
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* @see u_tolower()
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*/
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U_CAPI bool_t U_EXPORT2
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u_isupper(UChar c);
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@ -423,9 +424,9 @@ u_isupper(UChar c);
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*
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* @param ch the character to be tested
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* @return true if the character is titlecase; false otherwise.
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* @see uisupper()
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* @see uislower()
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* @see utotitle()
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* @see u_isupper()
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* @see u_islower()
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* @see u_totitle()
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*/
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U_CAPI bool_t U_EXPORT2
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u_istitle(UChar c);
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@ -440,6 +441,16 @@ u_istitle(UChar c);
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U_CAPI bool_t U_EXPORT2
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u_isdigit(UChar c);
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/**
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* Determines whether the specified character is an alphanumeric character
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* (letter or digit)according to Unicode 2.1.2.
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*
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* @param ch the character to be tested
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* @return true if the character is a letter or a digit; false otherwise.
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*/
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U_CAPI bool_t U_EXPORT2
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u_isalnum(UChar c);
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/**
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* Determines whether the specified numeric value is actually a defined character
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* according to Unicode 2.1.2.
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@ -447,12 +458,12 @@ u_isdigit(UChar c);
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* @param ch the character to be tested
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* @return true if the character has a defined Unicode meaning; false otherwise.
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*
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* @see uisdigit()
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* @see uisalpha()
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* @see uisalnum()
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* @see uisupper()
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* @see uislower()
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* @see uistitle()
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* @see u_isdigit()
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* @see u_isalpha()
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* @see u_isalnum()
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* @see u_isupper()
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* @see u_islower()
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* @see u_istitle()
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*/
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U_CAPI bool_t U_EXPORT2
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u_isdefined(UChar c);
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@ -464,8 +475,8 @@ u_isdefined(UChar c);
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* @param ch the character to be tested
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* @return true if the character is a letter; false otherwise.
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*
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* @see uisdigit()
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* @see uisalnum()
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* @see u_isdigit()
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* @see u_isalnum()
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*/
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U_CAPI bool_t U_EXPORT2
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u_isalpha(UChar c);
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@ -485,7 +496,7 @@ u_isspace(UChar c);
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* @param ch the character to be tested
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* @return true if the Unicode character is a control character; false otherwise.
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*
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* @see uisprint()
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* @see u_isprint()
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*/
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U_CAPI bool_t U_EXPORT2
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u_iscntrl(UChar c);
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@ -498,7 +509,7 @@ u_iscntrl(UChar c);
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* @param ch the character to be tested
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* @return true if the Unicode character is a printable character; false otherwise.
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*
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* @see uiscntrl()
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* @see u_iscntrl()
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*/
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U_CAPI bool_t U_EXPORT2
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u_isprint(UChar c);
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@ -510,8 +521,8 @@ u_isprint(UChar c);
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* @param ch the character to be tested
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* @return true if the Unicode character is of the base form; false otherwise.
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*
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* @see uisalpha()
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* @see uisdigit()
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* @see u_isalpha()
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* @see u_isdigit()
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*/
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U_CAPI bool_t U_EXPORT2
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u_isbase(UChar c);
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@ -738,7 +749,7 @@ u_isJavaIDPart(UChar c);
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* A character has a lowercase equivalent if and only if a lowercase mapping
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* is specified for the character in the Unicode 2.1.2 attribute table.
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* <P>
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* utolower() only deals with the general letter case conversion.
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* u_tolower() only deals with the general letter case conversion.
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* For language specific case conversion behavior, use ustrToUpper().
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* For example, the case conversion for dot-less i and dotted I in Turkish,
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* or for final sigma in Greek.
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@ -755,7 +766,7 @@ u_tolower(UChar c);
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* 2.1.2; if the character has no uppercase equivalent, the character itself is
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* returned.
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* <P>
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* utoupper() only deals with the general letter case conversion.
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* u_toupper() only deals with the general letter case conversion.
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* For language specific case conversion behavior, use ustrToUpper().
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* For example, the case conversion for dot-less i and dotted I in Turkish,
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* or ess-zed (i.e., "sharp S") in German.
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