/usr/include/layout/LEInsertionList.h is in libicu-dev 4.8.1.1-3ubuntu0.7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 | /*
**********************************************************************
* Copyright (C) 1998-2011, International Business Machines
* Corporation and others. All Rights Reserved.
**********************************************************************
*/
#ifndef __LEINSERTIONLIST_H
#define __LEINSERTIONLIST_H
#include "LETypes.h"
U_NAMESPACE_BEGIN
struct InsertionRecord;
#ifndef U_HIDE_INTERNAL_API
/**
* This class encapsulates the callback used by <code>LEInsertionList</code>
* to apply an insertion from the insertion list.
*
* @internal
*/
class U_LAYOUT_API LEInsertionCallback
{
public:
/**
* This method will be called by <code>LEInsertionList::applyInsertions</code> for each
* entry on the insertion list.
*
* @param atPosition the position of the insertion
* @param count the number of glyphs to insert
* @param newGlyphs the address of the glyphs to insert
*
* @return <code>TRUE</code> if <code>LEInsertions::applyInsertions</code> should
* stop after applying this insertion.
*
* @internal
*/
virtual le_bool applyInsertion(le_int32 atPosition, le_int32 count, LEGlyphID newGlyphs[]) = 0;
/**
* The destructor
*/
virtual ~LEInsertionCallback();
};
/**
* This class is used to keep track of insertions to an array of
* <code>LEGlyphIDs</code>. The insertions are kept on a linked
* list of <code>InsertionRecords</code> so that the glyph array
* doesn't have to be grown for each insertion. The insertions are
* stored on the list from leftmost to rightmost to make it easier
* to do the insertions.
*
* The insertions are applied to the array by calling the
* <code>applyInsertions</code> method, which calls a client
* supplied <code>LEInsertionCallback</code> object to actually
* apply the individual insertions.
*
* @internal
*/
class LEInsertionList : public UObject
{
public:
/**
* Construct an empty insertion list.
*
* @param rightToLeft <code>TRUE</code> if the glyphs are stored
* in the array in right to left order.
*
* @internal
*/
LEInsertionList(le_bool rightToLeft);
/**
* The destructor.
*/
~LEInsertionList();
/**
* Add an entry to the insertion list.
*
* @param position the glyph at this position in the array will be
* replaced by the new glyphs.
* @param count the number of new glyphs
* @param success set to an error code if the auxillary data cannot be retrieved.
*
* @return the address of an array in which to store the new glyphs. This will
* <em>not</em> be in the glyph array.
*
* @internal
*/
LEGlyphID *insert(le_int32 position, le_int32 count, LEErrorCode &success);
/**
* Return the number of new glyphs that have been inserted.
*
* @return the number of new glyphs which have been inserted
*
* @internal
*/
le_int32 getGrowAmount();
/**
* Call the <code>LEInsertionCallback</code> once for each
* entry on the insertion list.
*
* @param callback the <code>LEInsertionCallback</code> to call for each insertion.
*
* @return <code>TRUE</code> if <code>callback</code> returned <code>TRUE</code> to
* terminate the insertion list processing.
*
* @internal
*/
le_bool applyInsertions(LEInsertionCallback *callback);
/**
* Empty the insertion list and free all associated
* storage.
*
* @internal
*/
void reset();
/**
* ICU "poor man's RTTI", returns a UClassID for the actual class.
*
* @stable ICU 2.8
*/
virtual UClassID getDynamicClassID() const;
/**
* ICU "poor man's RTTI", returns a UClassID for this class.
*
* @stable ICU 2.8
*/
static UClassID getStaticClassID();
private:
/**
* The head of the insertion list.
*
* @internal
*/
InsertionRecord *head;
/**
* The tail of the insertion list.
*
* @internal
*/
InsertionRecord *tail;
/**
* The total number of new glyphs on the insertion list.
*
* @internal
*/
le_int32 growAmount;
/**
* Set to <code>TRUE</code> if the glyphs are in right
* to left order. Since we want the rightmost insertion
* to be first on the list, we need to append the
* insertions in this case. Otherwise they're prepended.
*
* @internal
*/
le_bool append;
};
#endif /* U_HIDE_INTERNAL_API */
U_NAMESPACE_END
#endif
|