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authormcheshkov <mcheshkov@yandex-team.ru>2022-02-10 16:46:15 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:15 +0300
commite9d19cec64684c9c1e6b0c98297e5b895cf904fe (patch)
tree2768b1223e96a8a0610a93d18425d9647c1123c8 /contrib/libs/icu/include/unicode/translit.h
parent60040c91ffe701a84689b2c6310ff845e65cff42 (diff)
downloadydb-e9d19cec64684c9c1e6b0c98297e5b895cf904fe.tar.gz
Restoring authorship annotation for <mcheshkov@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/icu/include/unicode/translit.h')
-rw-r--r--contrib/libs/icu/include/unicode/translit.h554
1 files changed, 277 insertions, 277 deletions
diff --git a/contrib/libs/icu/include/unicode/translit.h b/contrib/libs/icu/include/unicode/translit.h
index fe2568d50a..8a67643f44 100644
--- a/contrib/libs/icu/include/unicode/translit.h
+++ b/contrib/libs/icu/include/unicode/translit.h
@@ -1,4 +1,4 @@
-// © 2016 and later: Unicode, Inc. and others.
+// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
**********************************************************************
@@ -14,13 +14,13 @@
#include "unicode/utypes.h"
-#if U_SHOW_CPLUSPLUS_API
-
+#if U_SHOW_CPLUSPLUS_API
+
/**
- * \file
+ * \file
* \brief C++ API: Tranforms text from one format to another.
*/
-
+
#if !UCONFIG_NO_TRANSLITERATION
#include "unicode/uobject.h"
@@ -78,7 +78,7 @@ class TransliteratorIDParser;
* transliteration. For example, given a string <code>input</code>
* and a transliterator <code>t</code>, the call
*
- * String result = t.transliterate(input);
+ * String result = t.transliterate(input);
*
* will transliterate it and return the result. Other methods allow
* the client to specify a substring to be transliterated and to use
@@ -98,20 +98,20 @@ class TransliteratorIDParser;
* contents of the buffer may show text being modified as each new
* character arrives.
*
- * <p>Consider the simple rule-based Transliterator:
- * <pre>
- * th>{theta}
- * t>{tau}
- * </pre>
+ * <p>Consider the simple rule-based Transliterator:
+ * <pre>
+ * th>{theta}
+ * t>{tau}
+ * </pre>
*
* When the user types 't', nothing will happen, since the
* transliterator is waiting to see if the next character is 'h'. To
* remedy this, we introduce the notion of a cursor, marked by a '|'
* in the output string:
- * <pre>
- * t>|{tau}
- * {tau}h>{theta}
- * </pre>
+ * <pre>
+ * t>|{tau}
+ * {tau}h>{theta}
+ * </pre>
*
* Now when the user types 't', tau appears, and if the next character
* is 'h', the tau changes to a theta. This is accomplished by
@@ -133,7 +133,7 @@ class TransliteratorIDParser;
* which the transliterator last stopped, either because it reached
* the end, or because it required more characters to disambiguate
* between possible inputs. The <code>CURSOR</code> can also be
- * explicitly set by rules in a rule-based Transliterator.
+ * explicitly set by rules in a rule-based Transliterator.
* Any characters before the <code>CURSOR</code> index are frozen;
* future keyboard transliteration calls within this input sequence
* will not change them. New text is inserted at the
@@ -235,255 +235,255 @@ class TransliteratorIDParser;
* if the performance of these methods can be improved over the
* performance obtained by the default implementations in this class.
*
- * <p><b>Rule syntax</b>
- *
- * <p>A set of rules determines how to perform translations.
- * Rules within a rule set are separated by semicolons (';').
- * To include a literal semicolon, prefix it with a backslash ('\').
- * Unicode Pattern_White_Space is ignored.
- * If the first non-blank character on a line is '#',
- * the entire line is ignored as a comment.
- *
- * <p>Each set of rules consists of two groups, one forward, and one
- * reverse. This is a convention that is not enforced; rules for one
- * direction may be omitted, with the result that translations in
- * that direction will not modify the source text. In addition,
- * bidirectional forward-reverse rules may be specified for
- * symmetrical transformations.
- *
- * <p>Note: Another description of the Transliterator rule syntax is available in
- * <a href="https://www.unicode.org/reports/tr35/tr35-general.html#Transform_Rules_Syntax">section
- * Transform Rules Syntax of UTS #35: Unicode LDML</a>.
- * The rules are shown there using arrow symbols ← and → and ↔.
- * ICU supports both those and the equivalent ASCII symbols &lt; and &gt; and &lt;&gt;.
- *
- * <p>Rule statements take one of the following forms:
- *
- * <dl>
- * <dt><code>$alefmadda=\\u0622;</code></dt>
- * <dd><strong>Variable definition.</strong> The name on the
- * left is assigned the text on the right. In this example,
- * after this statement, instances of the left hand name,
- * &quot;<code>$alefmadda</code>&quot;, will be replaced by
- * the Unicode character U+0622. Variable names must begin
- * with a letter and consist only of letters, digits, and
- * underscores. Case is significant. Duplicate names cause
- * an exception to be thrown, that is, variables cannot be
- * redefined. The right hand side may contain well-formed
- * text of any length, including no text at all (&quot;<code>$empty=;</code>&quot;).
- * The right hand side may contain embedded <code>UnicodeSet</code>
- * patterns, for example, &quot;<code>$softvowel=[eiyEIY]</code>&quot;.</dd>
- * <dt><code>ai&gt;$alefmadda;</code></dt>
- * <dd><strong>Forward translation rule.</strong> This rule
- * states that the string on the left will be changed to the
- * string on the right when performing forward
- * transliteration.</dd>
- * <dt><code>ai&lt;$alefmadda;</code></dt>
- * <dd><strong>Reverse translation rule.</strong> This rule
- * states that the string on the right will be changed to
- * the string on the left when performing reverse
- * transliteration.</dd>
- * </dl>
- *
- * <dl>
- * <dt><code>ai&lt;&gt;$alefmadda;</code></dt>
- * <dd><strong>Bidirectional translation rule.</strong> This
- * rule states that the string on the right will be changed
- * to the string on the left when performing forward
- * transliteration, and vice versa when performing reverse
- * transliteration.</dd>
- * </dl>
- *
- * <p>Translation rules consist of a <em>match pattern</em> and an <em>output
- * string</em>. The match pattern consists of literal characters,
- * optionally preceded by context, and optionally followed by
- * context. Context characters, like literal pattern characters,
- * must be matched in the text being transliterated. However, unlike
- * literal pattern characters, they are not replaced by the output
- * text. For example, the pattern &quot;<code>abc{def}</code>&quot;
- * indicates the characters &quot;<code>def</code>&quot; must be
- * preceded by &quot;<code>abc</code>&quot; for a successful match.
- * If there is a successful match, &quot;<code>def</code>&quot; will
- * be replaced, but not &quot;<code>abc</code>&quot;. The final '<code>}</code>'
- * is optional, so &quot;<code>abc{def</code>&quot; is equivalent to
- * &quot;<code>abc{def}</code>&quot;. Another example is &quot;<code>{123}456</code>&quot;
- * (or &quot;<code>123}456</code>&quot;) in which the literal
- * pattern &quot;<code>123</code>&quot; must be followed by &quot;<code>456</code>&quot;.
- *
- * <p>The output string of a forward or reverse rule consists of
- * characters to replace the literal pattern characters. If the
- * output string contains the character '<code>|</code>', this is
- * taken to indicate the location of the <em>cursor</em> after
- * replacement. The cursor is the point in the text at which the
- * next replacement, if any, will be applied. The cursor is usually
- * placed within the replacement text; however, it can actually be
- * placed into the precending or following context by using the
- * special character '@'. Examples:
- *
- * <pre>
- * a {foo} z &gt; | @ bar; # foo -&gt; bar, move cursor before a
- * {foo} xyz &gt; bar @@|; #&nbsp;foo -&gt; bar, cursor between y and z
- * </pre>
- *
- * <p><b>UnicodeSet</b>
- *
- * <p><code>UnicodeSet</code> patterns may appear anywhere that
- * makes sense. They may appear in variable definitions.
- * Contrariwise, <code>UnicodeSet</code> patterns may themselves
- * contain variable references, such as &quot;<code>$a=[a-z];$not_a=[^$a]</code>&quot;,
- * or &quot;<code>$range=a-z;$ll=[$range]</code>&quot;.
- *
- * <p><code>UnicodeSet</code> patterns may also be embedded directly
- * into rule strings. Thus, the following two rules are equivalent:
- *
- * <pre>
- * $vowel=[aeiou]; $vowel&gt;'*'; # One way to do this
- * [aeiou]&gt;'*'; # Another way
- * </pre>
- *
- * <p>See {@link UnicodeSet} for more documentation and examples.
- *
- * <p><b>Segments</b>
- *
- * <p>Segments of the input string can be matched and copied to the
- * output string. This makes certain sets of rules simpler and more
- * general, and makes reordering possible. For example:
- *
- * <pre>
- * ([a-z]) &gt; $1 $1; # double lowercase letters
- * ([:Lu:]) ([:Ll:]) &gt; $2 $1; # reverse order of Lu-Ll pairs
- * </pre>
- *
- * <p>The segment of the input string to be copied is delimited by
- * &quot;<code>(</code>&quot; and &quot;<code>)</code>&quot;. Up to
- * nine segments may be defined. Segments may not overlap. In the
- * output string, &quot;<code>$1</code>&quot; through &quot;<code>$9</code>&quot;
- * represent the input string segments, in left-to-right order of
- * definition.
- *
- * <p><b>Anchors</b>
- *
- * <p>Patterns can be anchored to the beginning or the end of the text. This is done with the
- * special characters '<code>^</code>' and '<code>$</code>'. For example:
- *
- * <pre>
- * ^ a&nbsp;&nbsp; &gt; 'BEG_A'; &nbsp;&nbsp;# match 'a' at start of text
- * &nbsp; a&nbsp;&nbsp; &gt; 'A'; # match other instances of 'a'
- * &nbsp; z $ &gt; 'END_Z'; &nbsp;&nbsp;# match 'z' at end of text
- * &nbsp; z&nbsp;&nbsp; &gt; 'Z';&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # match other instances of 'z'
- * </pre>
- *
- * <p>It is also possible to match the beginning or the end of the text using a <code>UnicodeSet</code>.
- * This is done by including a virtual anchor character '<code>$</code>' at the end of the
- * set pattern. Although this is usually the match chafacter for the end anchor, the set will
- * match either the beginning or the end of the text, depending on its placement. For
- * example:
- *
- * <pre>
- * $x = [a-z$]; &nbsp;&nbsp;# match 'a' through 'z' OR anchor
- * $x 1&nbsp;&nbsp;&nbsp; &gt; 2;&nbsp;&nbsp; # match '1' after a-z or at the start
- * &nbsp;&nbsp; 3 $x &gt; 4; &nbsp;&nbsp;# match '3' before a-z or at the end
- * </pre>
- *
- * <p><b>Example</b>
- *
- * <p>The following example rules illustrate many of the features of
- * the rule language.
- *
- * <table border="0" cellpadding="4">
- * <tr>
- * <td style="vertical-align: top;">Rule 1.</td>
- * <td style="vertical-align: top; write-space: nowrap;"><code>abc{def}&gt;x|y</code></td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top;">Rule 2.</td>
- * <td style="vertical-align: top; write-space: nowrap;"><code>xyz&gt;r</code></td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top;">Rule 3.</td>
- * <td style="vertical-align: top; write-space: nowrap;"><code>yz&gt;q</code></td>
- * </tr>
- * </table>
- *
- * <p>Applying these rules to the string &quot;<code>adefabcdefz</code>&quot;
- * yields the following results:
- *
- * <table border="0" cellpadding="4">
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>|adefabcdefz</code></td>
- * <td style="vertical-align: top;">Initial state, no rules match. Advance
- * cursor.</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>a|defabcdefz</code></td>
- * <td style="vertical-align: top;">Still no match. Rule 1 does not match
- * because the preceding context is not present.</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>ad|efabcdefz</code></td>
- * <td style="vertical-align: top;">Still no match. Keep advancing until
- * there is a match...</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>ade|fabcdefz</code></td>
- * <td style="vertical-align: top;">...</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adef|abcdefz</code></td>
- * <td style="vertical-align: top;">...</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adefa|bcdefz</code></td>
- * <td style="vertical-align: top;">...</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adefab|cdefz</code></td>
- * <td style="vertical-align: top;">...</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adefabc|defz</code></td>
- * <td style="vertical-align: top;">Rule 1 matches; replace &quot;<code>def</code>&quot;
- * with &quot;<code>xy</code>&quot; and back up the cursor
- * to before the '<code>y</code>'.</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adefabcx|yz</code></td>
- * <td style="vertical-align: top;">Although &quot;<code>xyz</code>&quot; is
- * present, rule 2 does not match because the cursor is
- * before the '<code>y</code>', not before the '<code>x</code>'.
- * Rule 3 does match. Replace &quot;<code>yz</code>&quot;
- * with &quot;<code>q</code>&quot;.</td>
- * </tr>
- * <tr>
- * <td style="vertical-align: top; write-space: nowrap;"><code>adefabcxq|</code></td>
- * <td style="vertical-align: top;">The cursor is at the end;
- * transliteration is complete.</td>
- * </tr>
- * </table>
- *
- * <p>The order of rules is significant. If multiple rules may match
- * at some point, the first matching rule is applied.
- *
- * <p>Forward and reverse rules may have an empty output string.
- * Otherwise, an empty left or right hand side of any statement is a
- * syntax error.
- *
- * <p>Single quotes are used to quote any character other than a
- * digit or letter. To specify a single quote itself, inside or
- * outside of quotes, use two single quotes in a row. For example,
- * the rule &quot;<code>'&gt;'&gt;o''clock</code>&quot; changes the
- * string &quot;<code>&gt;</code>&quot; to the string &quot;<code>o'clock</code>&quot;.
- *
- * <p><b>Notes</b>
- *
- * <p>While a Transliterator is being built from rules, it checks that
- * the rules are added in proper order. For example, if the rule
- * &quot;a&gt;x&quot; is followed by the rule &quot;ab&gt;y&quot;,
- * then the second rule will throw an exception. The reason is that
- * the second rule can never be triggered, since the first rule
- * always matches anything it matches. In other words, the first
- * rule <em>masks</em> the second rule.
- *
+ * <p><b>Rule syntax</b>
+ *
+ * <p>A set of rules determines how to perform translations.
+ * Rules within a rule set are separated by semicolons (';').
+ * To include a literal semicolon, prefix it with a backslash ('\').
+ * Unicode Pattern_White_Space is ignored.
+ * If the first non-blank character on a line is '#',
+ * the entire line is ignored as a comment.
+ *
+ * <p>Each set of rules consists of two groups, one forward, and one
+ * reverse. This is a convention that is not enforced; rules for one
+ * direction may be omitted, with the result that translations in
+ * that direction will not modify the source text. In addition,
+ * bidirectional forward-reverse rules may be specified for
+ * symmetrical transformations.
+ *
+ * <p>Note: Another description of the Transliterator rule syntax is available in
+ * <a href="https://www.unicode.org/reports/tr35/tr35-general.html#Transform_Rules_Syntax">section
+ * Transform Rules Syntax of UTS #35: Unicode LDML</a>.
+ * The rules are shown there using arrow symbols ← and → and ↔.
+ * ICU supports both those and the equivalent ASCII symbols &lt; and &gt; and &lt;&gt;.
+ *
+ * <p>Rule statements take one of the following forms:
+ *
+ * <dl>
+ * <dt><code>$alefmadda=\\u0622;</code></dt>
+ * <dd><strong>Variable definition.</strong> The name on the
+ * left is assigned the text on the right. In this example,
+ * after this statement, instances of the left hand name,
+ * &quot;<code>$alefmadda</code>&quot;, will be replaced by
+ * the Unicode character U+0622. Variable names must begin
+ * with a letter and consist only of letters, digits, and
+ * underscores. Case is significant. Duplicate names cause
+ * an exception to be thrown, that is, variables cannot be
+ * redefined. The right hand side may contain well-formed
+ * text of any length, including no text at all (&quot;<code>$empty=;</code>&quot;).
+ * The right hand side may contain embedded <code>UnicodeSet</code>
+ * patterns, for example, &quot;<code>$softvowel=[eiyEIY]</code>&quot;.</dd>
+ * <dt><code>ai&gt;$alefmadda;</code></dt>
+ * <dd><strong>Forward translation rule.</strong> This rule
+ * states that the string on the left will be changed to the
+ * string on the right when performing forward
+ * transliteration.</dd>
+ * <dt><code>ai&lt;$alefmadda;</code></dt>
+ * <dd><strong>Reverse translation rule.</strong> This rule
+ * states that the string on the right will be changed to
+ * the string on the left when performing reverse
+ * transliteration.</dd>
+ * </dl>
+ *
+ * <dl>
+ * <dt><code>ai&lt;&gt;$alefmadda;</code></dt>
+ * <dd><strong>Bidirectional translation rule.</strong> This
+ * rule states that the string on the right will be changed
+ * to the string on the left when performing forward
+ * transliteration, and vice versa when performing reverse
+ * transliteration.</dd>
+ * </dl>
+ *
+ * <p>Translation rules consist of a <em>match pattern</em> and an <em>output
+ * string</em>. The match pattern consists of literal characters,
+ * optionally preceded by context, and optionally followed by
+ * context. Context characters, like literal pattern characters,
+ * must be matched in the text being transliterated. However, unlike
+ * literal pattern characters, they are not replaced by the output
+ * text. For example, the pattern &quot;<code>abc{def}</code>&quot;
+ * indicates the characters &quot;<code>def</code>&quot; must be
+ * preceded by &quot;<code>abc</code>&quot; for a successful match.
+ * If there is a successful match, &quot;<code>def</code>&quot; will
+ * be replaced, but not &quot;<code>abc</code>&quot;. The final '<code>}</code>'
+ * is optional, so &quot;<code>abc{def</code>&quot; is equivalent to
+ * &quot;<code>abc{def}</code>&quot;. Another example is &quot;<code>{123}456</code>&quot;
+ * (or &quot;<code>123}456</code>&quot;) in which the literal
+ * pattern &quot;<code>123</code>&quot; must be followed by &quot;<code>456</code>&quot;.
+ *
+ * <p>The output string of a forward or reverse rule consists of
+ * characters to replace the literal pattern characters. If the
+ * output string contains the character '<code>|</code>', this is
+ * taken to indicate the location of the <em>cursor</em> after
+ * replacement. The cursor is the point in the text at which the
+ * next replacement, if any, will be applied. The cursor is usually
+ * placed within the replacement text; however, it can actually be
+ * placed into the precending or following context by using the
+ * special character '@'. Examples:
+ *
+ * <pre>
+ * a {foo} z &gt; | @ bar; # foo -&gt; bar, move cursor before a
+ * {foo} xyz &gt; bar @@|; #&nbsp;foo -&gt; bar, cursor between y and z
+ * </pre>
+ *
+ * <p><b>UnicodeSet</b>
+ *
+ * <p><code>UnicodeSet</code> patterns may appear anywhere that
+ * makes sense. They may appear in variable definitions.
+ * Contrariwise, <code>UnicodeSet</code> patterns may themselves
+ * contain variable references, such as &quot;<code>$a=[a-z];$not_a=[^$a]</code>&quot;,
+ * or &quot;<code>$range=a-z;$ll=[$range]</code>&quot;.
+ *
+ * <p><code>UnicodeSet</code> patterns may also be embedded directly
+ * into rule strings. Thus, the following two rules are equivalent:
+ *
+ * <pre>
+ * $vowel=[aeiou]; $vowel&gt;'*'; # One way to do this
+ * [aeiou]&gt;'*'; # Another way
+ * </pre>
+ *
+ * <p>See {@link UnicodeSet} for more documentation and examples.
+ *
+ * <p><b>Segments</b>
+ *
+ * <p>Segments of the input string can be matched and copied to the
+ * output string. This makes certain sets of rules simpler and more
+ * general, and makes reordering possible. For example:
+ *
+ * <pre>
+ * ([a-z]) &gt; $1 $1; # double lowercase letters
+ * ([:Lu:]) ([:Ll:]) &gt; $2 $1; # reverse order of Lu-Ll pairs
+ * </pre>
+ *
+ * <p>The segment of the input string to be copied is delimited by
+ * &quot;<code>(</code>&quot; and &quot;<code>)</code>&quot;. Up to
+ * nine segments may be defined. Segments may not overlap. In the
+ * output string, &quot;<code>$1</code>&quot; through &quot;<code>$9</code>&quot;
+ * represent the input string segments, in left-to-right order of
+ * definition.
+ *
+ * <p><b>Anchors</b>
+ *
+ * <p>Patterns can be anchored to the beginning or the end of the text. This is done with the
+ * special characters '<code>^</code>' and '<code>$</code>'. For example:
+ *
+ * <pre>
+ * ^ a&nbsp;&nbsp; &gt; 'BEG_A'; &nbsp;&nbsp;# match 'a' at start of text
+ * &nbsp; a&nbsp;&nbsp; &gt; 'A'; # match other instances of 'a'
+ * &nbsp; z $ &gt; 'END_Z'; &nbsp;&nbsp;# match 'z' at end of text
+ * &nbsp; z&nbsp;&nbsp; &gt; 'Z';&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # match other instances of 'z'
+ * </pre>
+ *
+ * <p>It is also possible to match the beginning or the end of the text using a <code>UnicodeSet</code>.
+ * This is done by including a virtual anchor character '<code>$</code>' at the end of the
+ * set pattern. Although this is usually the match chafacter for the end anchor, the set will
+ * match either the beginning or the end of the text, depending on its placement. For
+ * example:
+ *
+ * <pre>
+ * $x = [a-z$]; &nbsp;&nbsp;# match 'a' through 'z' OR anchor
+ * $x 1&nbsp;&nbsp;&nbsp; &gt; 2;&nbsp;&nbsp; # match '1' after a-z or at the start
+ * &nbsp;&nbsp; 3 $x &gt; 4; &nbsp;&nbsp;# match '3' before a-z or at the end
+ * </pre>
+ *
+ * <p><b>Example</b>
+ *
+ * <p>The following example rules illustrate many of the features of
+ * the rule language.
+ *
+ * <table border="0" cellpadding="4">
+ * <tr>
+ * <td style="vertical-align: top;">Rule 1.</td>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>abc{def}&gt;x|y</code></td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top;">Rule 2.</td>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>xyz&gt;r</code></td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top;">Rule 3.</td>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>yz&gt;q</code></td>
+ * </tr>
+ * </table>
+ *
+ * <p>Applying these rules to the string &quot;<code>adefabcdefz</code>&quot;
+ * yields the following results:
+ *
+ * <table border="0" cellpadding="4">
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>|adefabcdefz</code></td>
+ * <td style="vertical-align: top;">Initial state, no rules match. Advance
+ * cursor.</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>a|defabcdefz</code></td>
+ * <td style="vertical-align: top;">Still no match. Rule 1 does not match
+ * because the preceding context is not present.</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>ad|efabcdefz</code></td>
+ * <td style="vertical-align: top;">Still no match. Keep advancing until
+ * there is a match...</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>ade|fabcdefz</code></td>
+ * <td style="vertical-align: top;">...</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adef|abcdefz</code></td>
+ * <td style="vertical-align: top;">...</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adefa|bcdefz</code></td>
+ * <td style="vertical-align: top;">...</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adefab|cdefz</code></td>
+ * <td style="vertical-align: top;">...</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adefabc|defz</code></td>
+ * <td style="vertical-align: top;">Rule 1 matches; replace &quot;<code>def</code>&quot;
+ * with &quot;<code>xy</code>&quot; and back up the cursor
+ * to before the '<code>y</code>'.</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adefabcx|yz</code></td>
+ * <td style="vertical-align: top;">Although &quot;<code>xyz</code>&quot; is
+ * present, rule 2 does not match because the cursor is
+ * before the '<code>y</code>', not before the '<code>x</code>'.
+ * Rule 3 does match. Replace &quot;<code>yz</code>&quot;
+ * with &quot;<code>q</code>&quot;.</td>
+ * </tr>
+ * <tr>
+ * <td style="vertical-align: top; write-space: nowrap;"><code>adefabcxq|</code></td>
+ * <td style="vertical-align: top;">The cursor is at the end;
+ * transliteration is complete.</td>
+ * </tr>
+ * </table>
+ *
+ * <p>The order of rules is significant. If multiple rules may match
+ * at some point, the first matching rule is applied.
+ *
+ * <p>Forward and reverse rules may have an empty output string.
+ * Otherwise, an empty left or right hand side of any statement is a
+ * syntax error.
+ *
+ * <p>Single quotes are used to quote any character other than a
+ * digit or letter. To specify a single quote itself, inside or
+ * outside of quotes, use two single quotes in a row. For example,
+ * the rule &quot;<code>'&gt;'&gt;o''clock</code>&quot; changes the
+ * string &quot;<code>&gt;</code>&quot; to the string &quot;<code>o'clock</code>&quot;.
+ *
+ * <p><b>Notes</b>
+ *
+ * <p>While a Transliterator is being built from rules, it checks that
+ * the rules are added in proper order. For example, if the rule
+ * &quot;a&gt;x&quot; is followed by the rule &quot;ab&gt;y&quot;,
+ * then the second rule will throw an exception. The reason is that
+ * the second rule can never be triggered, since the first rule
+ * always matches anything it matches. In other words, the first
+ * rule <em>masks</em> the second rule.
+ *
* @author Alan Liu
* @stable ICU 2.0
*/
@@ -746,9 +746,9 @@ public:
* for details.
* @param text the buffer holding transliterated and
* untransliterated text
- * @param index an array of three integers.
+ * @param index an array of three integers.
* @param status Output param to filled in with a success or an error.
- * @see #transliterate(Replaceable&, UTransPosition&, const UnicodeString&, UErrorCode &) const
+ * @see #transliterate(Replaceable&, UTransPosition&, const UnicodeString&, UErrorCode &) const
* @stable ICU 2.0
*/
virtual void transliterate(Replaceable& text, UTransPosition& index,
@@ -879,7 +879,7 @@ public:
/**
* Transliterate a substring of text, as specified by index, taking filters
* into account. This method is for subclasses that need to delegate to
- * another transliterator.
+ * another transliterator.
* @param text the text to be transliterated
* @param index the position indices
* @param incremental if TRUE, then assume more characters may be inserted
@@ -1093,19 +1093,19 @@ public:
/**
* Returns a <code>Transliterator</code> object constructed from
- * the given rule string. This will be a rule-based Transliterator,
+ * the given rule string. This will be a rule-based Transliterator,
* if the rule string contains only rules, or a
- * compound Transliterator, if it contains ID blocks, or a
- * null Transliterator, if it contains ID blocks which parse as
+ * compound Transliterator, if it contains ID blocks, or a
+ * null Transliterator, if it contains ID blocks which parse as
* empty for the given direction.
- *
+ *
* @param ID the id for the transliterator.
* @param rules rules, separated by ';'
* @param dir either FORWARD or REVERSE.
- * @param parseError Struct to receive information on position
+ * @param parseError Struct to receive information on position
* of error if an error is encountered
* @param status Output param set to success/failure code.
- * @return a newly created Transliterator
+ * @return a newly created Transliterator
* @stable ICU 2.0
*/
static Transliterator* U_EXPORT2 createFromRules(const UnicodeString& ID,
@@ -1568,7 +1568,7 @@ inline int32_t Transliterator::getMaximumContextLength(void) const {
inline void Transliterator::setID(const UnicodeString& id) {
ID = id;
// NUL-terminate the ID string, which is a non-aliased copy.
- ID.append((char16_t)0);
+ ID.append((char16_t)0);
ID.truncate(ID.length()-1);
}
@@ -1590,6 +1590,6 @@ U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_TRANSLITERATION */
-#endif /* U_SHOW_CPLUSPLUS_API */
-
+#endif /* U_SHOW_CPLUSPLUS_API */
+
#endif