office-gobmx/offapi/com/sun/star/i18n/XCharacterClassification.idl
2011-04-02 00:08:53 +02:00

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#ifndef __com_sun_star_i18n_XCharacterClassification_idl__
#define __com_sun_star_i18n_XCharacterClassification_idl__
#include <com/sun/star/i18n/ParseResult.idl>
#include <com/sun/star/lang/Locale.idl>
#include <com/sun/star/uno/XInterface.idl>
//============================================================================
module com { module sun { module star { module i18n {
//============================================================================
/*
Possible tokens to be parsed with parse...Token():
UPASCALPHA=[A-Z]
LOASCALPHA=[a-z]
ASCALPHA=1*(UPASCALPHA|LOASCALPHA)
ASCDIGIT=[0-9]
ASC_UNDERSCORE='_'
ASC_SPACE=' '
ASC_HT='\0x9'
ASC_VT='\0xb'
ASC_WS=ASC_SPACE|ASC_HT|ASC_VT
ASC_DBL_QUOTE=\";
ASC_QUOTE=\'
UPASC_IDENTIFIER=UPASCALPHA *(UPASCALPHA|ASCDIGIT|ASC_UNDERSCORE)
ALPHA,DIGIT are the tokens which return true for isAlpha and isDigit
ALNUM=ALPHA|DIGIT
CHAR=anycharacter
WS=isWhiteSpace()
SIGN='+'|'-'
DECSEP=<locale dependent decimal separator>
GRPSEP=<locale dependent thousand separator>
EXPONENT=(E|e)[SIGN]1*ASC_DIGIT
IDENTIFIER=ALPHA *ALNUM
UIDENTIFIER=(ALPHA | ASC_UNDERSCORE) *(ALNUM|ASC_UNDERSCORE)
ALPHA_NAME=ALPHA *(ALNUM|DEFCHARS)
ANY_NAME=1*(ALNUM|DEFCHARS)
SINGLE_QUOTE_NAME=ASC_QUOTE(1*CHAR)ASC_QUOTE
DOUBLE_QUOTE_NAME=ASC_DBL_QUOTE(*CHAR)ASC_DBL_QUOTE
ASC_NUMBER=[SIGN]*(1*ASC_DIGIT *(GRPSEP 1*ASC_DIGIT))[DECSEP]1*ASC_DIGIT[EXPONENT]
NUMBER=[SIGN]*(1*DIGIT *(GRPSEP 1*DIGIT))[DECSEP]1*DIGIT[EXPONENT]
*/
//============================================================================
/**
Character classification (upper, lower, digit, letter, number, ...)
and generic Unicode enabled parser.
*/
published interface XCharacterClassification : com::sun::star::uno::XInterface
{
//------------------------------------------------------------------------
/** Convert lower case alpha to upper case alpha, starting at
position <em>nPos</em> for <em>nCount</em> code points.
*/
string toUpper( [in] string aText, [in] long nPos, [in] long nCount,
[in] com::sun::star::lang::Locale aLocale );
//------------------------------------------------------------------------
/** Convert upper case alpha to lower case alpha, starting at
position <em>nPos</em> for <em>nCount</em> code points.
*/
string toLower( [in] string aText, [in] long nPos, [in] long nCount,
[in] com::sun::star::lang::Locale aLocale );
//------------------------------------------------------------------------
/** Convert to title case, starting at
position <em>nPos</em> for <em>nCount</em> code points.
*/
string toTitle( [in] string aText, [in] long nPos, [in] long nCount,
[in] com::sun::star::lang::Locale aLocale );
//------------------------------------------------------------------------
/// Get <type>UnicodeType</type> of character at position <em>nPos</em>.
short getType( [in] string aText, [in] long nPos );
//------------------------------------------------------------------------
/** Get <type>DirectionProperty</type> of character at position
<em>nPos</em>.
*/
short getCharacterDirection( [in] string aText, [in] long nPos );
//------------------------------------------------------------------------
/// Get <type>UnicodeScript</type> of character at position <em>nPos</em>.
short getScript( [in] string aText, [in] long nPos );
//------------------------------------------------------------------------
/// Get <type>KCharacterType</type> of character at position <em>nPos</em>.
long getCharacterType( [in] string aText, [in] long nPos,
[in] com::sun::star::lang::Locale aLocale );
//------------------------------------------------------------------------
/** Get accumulated <type>KCharacterType</type>s of string starting
at position <em>nPos</em> of length <em>nCount</em> code points.
@returns
A number with appropriate flags set to indicate what type of
characters the string contains, each flag value being one of
KCharacterType values.
*/
long getStringType( [in] string aText, [in] long nPos, [in] long nCount,
[in] com::sun::star::lang::Locale aLocale );
//------------------------------------------------------------------------
/**
Parse a string for a token starting at position <em>nPos</em>.
<p> A name or identifier must match the
<type>KParseTokens</type> criteria passed in
<em>nStartCharFlags</em> and <em>nContCharFlags</em> and may
additionally contain characters of
<em>aUserDefinedCharactersStart</em> and/or
<em>aUserDefinedCharactersCont</em>. </p>
@returns
A filled <type>ParseResult</type> structure. If no
unambiguous token could be parsed,
<member>ParseResult::TokenType</member> will be set to
<b>0</b> (zero), other fields will contain the values parsed
so far.
<p> If a token may represent either a numeric value or a
name according to the passed Start/Cont-Flags/Chars, both
<const>KParseType::ASC_NUM</const> (or
<const>KParseType::UNI_NUM</const>) and
<const>KParseType::IDENTNAME</const> are set in
<member>ParseResult::TokenType</member>.
@param aText
Text to be parsed.
@param nPos
Position where parsing starts.
@param aLocale
The locale, for example, for decimal and group separator or
character type determination.
@param nStartCharFlags
A set of <type>KParseTokens</type> constants determining the
allowed characters a name or identifier may start with.
@param aUserDefinedCharactersStart
A set of additionally allowed characters a name or
identifier may start with.
@param nContCharFlags
A set of <type>KParseTokens</type> constants determining the
allowed characters a name or identifier may continue with.
@param aUserDefinedCharactersCont
A set of additionally allowed characters a name or
identifier may continue with.
@example:C++
<listing>
using namespace ::com::sun::star::i18n;
// First character of an identifier may be any alphabetic or underscore.
sal_Int32 nStartFlags = KParseTokens::ANY_ALPHA | KParseTokens::ASC_UNDERSCORE;
// Continuing characters may be any alphanumeric or underscore or dot.
sal_Int32 nContFlags = KParseTokens::ANY_ALNUM | KParseTokens::ASC_UNDERSCORE | KParseTokens::ASC_DOT;
// No further characters assumed to be contained in an identifier
String aEmptyString;
// Parse any token.
ParseResult rRes = xCC->parseAnyToken( aText, nPos, aLocale,
nStartFlags, aEmptyString, nContFlags, aEmptyString );
// Get parsed token.
if ( rRes.TokenType & (KParseType::ASC_NUMBER | KParseType::UNI_NUMBER) )
fValue = rRes.Value;
if ( rRes.TokenType & KParseType::IDENTNAME )
aName = aText.Copy( nPos, rRes.EndPos - nPos );
else if ( rRes.TokenType & KParseType::SINGLE_QUOTE_NAME )
aName = rRes.DequotedNameOrString;
else if ( rRes.TokenType & KParseType::DOUBLE_QUOTE_STRING )
aString = rRes.DequotedNameOrString;
else if ( rRes.TokenType & KParseType::BOOLEAN )
aSymbol = aText.Copy( nPos, rRes.EndPos - nPos );
else if ( rRes.TokenType & KParseType::ONE_SINGLE_CHAR )
aSymbol = aText.Copy( nPos, rRes.EndPos - nPos );
</listing>
*/
ParseResult parseAnyToken(
[in] string aText,
[in] long nPos,
[in] com::sun::star::lang::Locale aLocale,
[in] long nStartCharFlags,
[in] string aUserDefinedCharactersStart,
[in] long nContCharFlags,
[in] string aUserDefinedCharactersCont
);
//------------------------------------------------------------------------
/**
Parse a string for a token of type <em>nTokenType</em> starting
at position <em>nPos</em>.
<p> Other parameters are the same as in
<member>parseAnyToken</member>. If the actual token does not
match the passed <em>nTokenType</em> a
<member>ParseResult::TokenType</member> set to <b>0</b> (zero)
is returned. </p>
@param nTokenType
One or more of the <type>KParseType</type> constants.
@example:C++
<listing>
// Determine if a given name is a valid name (not quoted) and contains
// only allowed characters.
using namespace ::com::sun::star::i18n;
// First character of an identifier may be any alphanumeric or underscore.
sal_Int32 nStartFlags = KParseTokens::ANY_ALNUM | KParseTokens::ASC_UNDERSCORE;
// No further characters assumed to be contained in an identifier start.
String aEmptyString;
// Continuing characters may be any alphanumeric or underscore.
sal_Int32 nContFlags = nStartFlags;
// Additionally, continuing characters may contain a blank.
String aContChars( RTL_CONSTASCII_USTRINGPARAM(" ") );
// Parse predefined (must be an IDENTNAME) token.
ParseResult rRes = xCC->parsePredefinedToken( KParseType::IDENTNAME, rName, 0, aLocale,
nStartFlags, aEmptyString, nContFlags, aContChars );
// Test if it is an identifier name and if it only is one
// and no more else is following it.
bValid = (rRes.TokenType & KParseType::IDENTNAME) && rRes.EndPos == rName.Len();
</listing>
*/
ParseResult parsePredefinedToken(
[in] long nTokenType,
[in] string aText,
[in] long nPos,
[in] com::sun::star::lang::Locale aLocale,
[in] long nStartCharFlags,
[in] string aUserDefinedCharactersStart,
[in] long nContCharFlags,
[in] string aUserDefinedCharactersCont
);
};
//=============================================================================
}; }; }; };
#endif