Check in the pristine copy of ICU 4.6...

icu46/source/common/unicode/parseerr.h

Index: icu46/source/common/unicode/parseerr.h
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--- icu46/source/common/unicode/parseerr.h	(revision 0)
+++ icu46/source/common/unicode/parseerr.h	(revision 0)
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+/*
+**********************************************************************
+*   Copyright (C) 1999-2005, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*   Date        Name        Description
+*   03/14/00    aliu        Creation.
+*   06/27/00    aliu        Change from C++ class to C struct
+**********************************************************************
+*/
+#ifndef PARSEERR_H
+#define PARSEERR_H
+
+#include "unicode/utypes.h"
+
+
+/**
+ * \file
+ * \brief C API: Parse Error Information
+ */
+/**
+ * The capacity of the context strings in UParseError.
+ * @stable ICU 2.0
+ */ 
+enum { U_PARSE_CONTEXT_LEN = 16 };
+
+/**
+ * A UParseError struct is used to returned detailed information about
+ * parsing errors.  It is used by ICU parsing engines that parse long
+ * rules, patterns, or programs, where the text being parsed is long
+ * enough that more information than a UErrorCode is needed to
+ * localize the error.
+ *
+ * <p>The line, offset, and context fields are optional; parsing
+ * engines may choose not to use to use them.
+ *
+ * <p>The preContext and postContext strings include some part of the
+ * context surrounding the error.  If the source text is "let for=7"
+ * and "for" is the error (e.g., because it is a reserved word), then
+ * some examples of what a parser might produce are the following:
+ *
+ * <pre>
+ * preContext   postContext
+ * ""           ""            The parser does not support context
+ * "let "       "=7"          Pre- and post-context only
+ * "let "       "for=7"       Pre- and post-context and error text
+ * ""           "for"         Error text only
+ * </pre>
+ *
+ * <p>Examples of engines which use UParseError (or may use it in the
+ * future) are Transliterator, RuleBasedBreakIterator, and
+ * RegexPattern.
+ * 
+ * @stable ICU 2.0
+ */
+typedef struct UParseError {
+
+    /**
+     * The line on which the error occured.  If the parser uses this
+     * field, it sets it to the line number of the source text line on
+     * which the error appears, which will be be a value >= 1.  If the
+     * parse does not support line numbers, the value will be <= 0.
+     * @stable ICU 2.0
+     */
+    int32_t        line;
+
+    /**
+     * The character offset to the error.  If the line field is >= 1,
+     * then this is the offset from the start of the line.  Otherwise,
+     * this is the offset from the start of the text.  If the parser
+     * does not support this field, it will have a value < 0.
+     * @stable ICU 2.0
+     */
+    int32_t        offset;
+
+    /**
+     * Textual context before the error.  Null-terminated.  The empty
+     * string if not supported by parser.
+     * @stable ICU 2.0   
+     */
+    UChar          preContext[U_PARSE_CONTEXT_LEN];
+
+    /**
+     * The error itself and/or textual context after the error.
+     * Null-terminated.  The empty string if not supported by parser.
+     * @stable ICU 2.0   
+     */
+    UChar          postContext[U_PARSE_CONTEXT_LEN];
+
+} UParseError;
+
+#endif
Property changes on: icu46/source/common/unicode/parseerr.h
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Added: svn:eol-style
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