FM / unicode

/usr/include/unicode

Name	Size	Mode	Actions
alphaindex.h	27118	0644	edit dl rm
appendable.h	8694	0644	edit dl rm
basictz.h	9491	0644	edit dl rm
brkiter.h	28464	0644	edit dl rm
bytestream.h	11037	0644	edit dl rm
bytestrie.h	21266	0644	edit dl rm
bytestriebuilder.h	7248	0644	edit dl rm
calendar.h	108278	0644	edit dl rm
caniter.h	7611	0644	edit dl rm
casemap.h	25933	0644	edit dl rm
char16ptr.h	7393	0644	edit dl rm
chariter.h	24632	0644	edit dl rm
choicfmt.h	24482	0644	edit dl rm
coleitr.h	14094	0644	edit dl rm
coll.h	57581	0644	edit dl rm
compactdecimalformat.h	7047	0644	edit dl rm
curramt.h	3851	0644	edit dl rm
currpinf.h	7473	0644	edit dl rm
currunit.h	4094	0644	edit dl rm
datefmt.h	41641	0644	edit dl rm
dbbi.h	1223	0644	edit dl rm
dcfmtsym.h	20897	0644	edit dl rm
decimfmt.h	89278	0644	edit dl rm
docmain.h	7142	0644	edit dl rm
dtfmtsym.h	38609	0644	edit dl rm
dtintrv.h	3930	0644	edit dl rm
dtitvfmt.h	47634	0644	edit dl rm
dtitvinf.h	19064	0644	edit dl rm
dtptngen.h	26419	0644	edit dl rm
dtrule.h	8888	0644	edit dl rm
edits.h	21237	0644	edit dl rm
enumset.h	2130	0644	edit dl rm
errorcode.h	4956	0644	edit dl rm
fieldpos.h	8899	0644	edit dl rm
filteredbrk.h	5501	0644	edit dl rm
fmtable.h	25007	0644	edit dl rm
format.h	12802	0644	edit dl rm
formattedvalue.h	9987	0644	edit dl rm
fpositer.h	3109	0644	edit dl rm
gender.h	3408	0644	edit dl rm
gregocal.h	32472	0644	edit dl rm
icudataver.h	1051	0644	edit dl rm
icuplug.h	12166	0644	edit dl rm
idna.h	13000	0644	edit dl rm
listformatter.h	9493	0644	edit dl rm
localebuilder.h	11502	0644	edit dl rm
localematcher.h	25147	0644	edit dl rm
localpointer.h	19829	0644	edit dl rm
locdspnm.h	7292	0644	edit dl rm
locid.h	48821	0644	edit dl rm
measfmt.h	11603	0644	edit dl rm
measunit.h	97563	0644	edit dl rm
measure.h	4423	0644	edit dl rm
messagepattern.h	34521	0644	edit dl rm
msgfmt.h	45168	0644	edit dl rm
normalizer2.h	34851	0644	edit dl rm
normlzr.h	31682	0644	edit dl rm
nounit.h	2754	0644	edit dl rm
numberformatter.h	86276	0644	edit dl rm
numberrangeformatter.h	28617	0644	edit dl rm
numfmt.h	50950	0644	edit dl rm
numsys.h	7500	0644	edit dl rm
parseerr.h	3155	0644	edit dl rm
parsepos.h	5692	0644	edit dl rm
platform.h	28751	0644	edit dl rm
plurfmt.h	25800	0644	edit dl rm
plurrule.h	18780	0644	edit dl rm
ptypes.h	3577	0644	edit dl rm
putil.h	6487	0644	edit dl rm
rbbi.h	27218	0644	edit dl rm
rbnf.h	49899	0644	edit dl rm
rbtz.h	15979	0644	edit dl rm
regex.h	86367	0644	edit dl rm
region.h	9404	0644	edit dl rm
reldatefmt.h	22801	0644	edit dl rm
rep.h	9599	0644	edit dl rm
resbund.h	18503	0644	edit dl rm
schriter.h	6475	0644	edit dl rm
scientificnumberformatter.h	6553	0644	edit dl rm
search.h	22757	0644	edit dl rm
selfmt.h	14643	0644	edit dl rm
simpleformatter.h	12888	0644	edit dl rm
simpletz.h	46527	0644	edit dl rm
smpdtfmt.h	72713	0644	edit dl rm
sortkey.h	11444	0644	edit dl rm
std_string.h	1076	0644	edit dl rm
strenum.h	10158	0644	edit dl rm
stringoptions.h	5926	0644	edit dl rm
stringpiece.h	10597	0644	edit dl rm
stringtriebuilder.h	15698	0644	edit dl rm
stsearch.h	21810	0644	edit dl rm
symtable.h	4374	0644	edit dl rm
tblcoll.h	37489	0644	edit dl rm
timezone.h	42005	0644	edit dl rm
tmunit.h	3461	0644	edit dl rm
tmutamt.h	5015	0644	edit dl rm
tmutfmt.h	8042	0644	edit dl rm
translit.h	67400	0644	edit dl rm
tzfmt.h	43916	0644	edit dl rm
tznames.h	17252	0644	edit dl rm
tzrule.h	36215	0644	edit dl rm
tztrans.h	6271	0644	edit dl rm
ubidi.h	91711	0644	edit dl rm
ubiditransform.h	12950	0644	edit dl rm
ubrk.h	24547	0644	edit dl rm
ucal.h	58265	0644	edit dl rm
ucasemap.h	15546	0644	edit dl rm
ucat.h	5484	0644	edit dl rm
uchar.h	144630	0644	edit dl rm
ucharstrie.h	23120	0644	edit dl rm
ucharstriebuilder.h	7378	0644	edit dl rm
uchriter.h	13521	0644	edit dl rm
uclean.h	11474	0644	edit dl rm
ucnv.h	85085	0644	edit dl rm
ucnvsel.h	6283	0644	edit dl rm
ucnv_cb.h	6748	0644	edit dl rm
ucnv_err.h	21492	0644	edit dl rm
ucol.h	62939	0644	edit dl rm
ucoleitr.h	9684	0644	edit dl rm
uconfig.h	12356	0644	edit dl rm
ucpmap.h	5663	0644	edit dl rm
ucptrie.h	23002	0644	edit dl rm
ucsdet.h	15018	0644	edit dl rm
ucurr.h	16507	0644	edit dl rm
udat.h	62851	0644	edit dl rm
udata.h	15930	0644	edit dl rm
udateintervalformat.h	10995	0644	edit dl rm
udatpg.h	27447	0644	edit dl rm
udisplaycontext.h	6029	0644	edit dl rm
uenum.h	7970	0644	edit dl rm
ufieldpositer.h	4461	0644	edit dl rm
uformattable.h	11198	0644	edit dl rm
uformattedvalue.h	12413	0644	edit dl rm
ugender.h	2052	0644	edit dl rm
uidna.h	34169	0644	edit dl rm
uiter.h	23319	0644	edit dl rm
uldnames.h	10702	0644	edit dl rm
ulistformatter.h	11086	0644	edit dl rm
uloc.h	54432	0644	edit dl rm
ulocdata.h	11533	0644	edit dl rm
umachine.h	14884	0644	edit dl rm
umisc.h	1365	0644	edit dl rm
umsg.h	24812	0644	edit dl rm
umutablecptrie.h	8435	0644	edit dl rm
unifilt.h	4055	0644	edit dl rm
unifunct.h	4141	0644	edit dl rm
unimatch.h	6244	0644	edit dl rm
unirepl.h	3464	0644	edit dl rm
uniset.h	66459	0644	edit dl rm
unistr.h	174523	0644	edit dl rm
unorm.h	21015	0644	edit dl rm
unorm2.h	25254	0644	edit dl rm
unum.h	54743	0644	edit dl rm
unumberformatter.h	25824	0644	edit dl rm
unumsys.h	7387	0644	edit dl rm
uobject.h	10936	0644	edit dl rm
upluralrules.h	8013	0644	edit dl rm
uregex.h	73784	0644	edit dl rm
uregion.h	10073	0644	edit dl rm
ureldatefmt.h	17409	0644	edit dl rm
urename.h	134449	0644	edit dl rm
urep.h	5507	0644	edit dl rm
ures.h	37415	0644	edit dl rm
uscript.h	27867	0644	edit dl rm
usearch.h	39039	0644	edit dl rm
uset.h	40958	0644	edit dl rm
usetiter.h	9781	0644	edit dl rm
ushape.h	18432	0644	edit dl rm
uspoof.h	67480	0644	edit dl rm
usprep.h	8331	0644	edit dl rm
ustdio.h	39469	0644	edit dl rm
ustream.h	1934	0644	edit dl rm
ustring.h	74211	0644	edit dl rm
ustringtrie.h	3224	0644	edit dl rm
utext.h	59527	0644	edit dl rm
utf.h	8046	0644	edit dl rm
utf8.h	31700	0644	edit dl rm
utf16.h	23878	0644	edit dl rm
utf32.h	763	0644	edit dl rm
utf_old.h	46929	0644	edit dl rm
utmscale.h	14113	0644	edit dl rm
utrace.h	17706	0644	edit dl rm
utrans.h	26130	0644	edit dl rm
utypes.h	31481	0644	edit dl rm
uvernum.h	6832	0644	edit dl rm
uversion.h	6145	0644	edit dl rm
vtzone.h	20784	0644	edit dl rm

Edit: /usr/include/unicode/stringtriebuilder.h (15698B)

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*   Copyright (C) 2010-2012,2014, International Business Machines
*   Corporation and others.  All Rights Reserved.
*******************************************************************************
*   file name:  stringtriebuilder.h
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:4
*
*   created on: 2010dec24
*   created by: Markus W. Scherer
*/

#ifndef __STRINGTRIEBUILDER_H__
#define __STRINGTRIEBUILDER_H__

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#include "unicode/uobject.h"

/**
 * \file
 * \brief C++ API: Builder API for trie builders
 */

// Forward declaration.
/// \cond
struct UHashtable;
typedef struct UHashtable UHashtable;
/// \endcond

/**
 * Build options for BytesTrieBuilder and CharsTrieBuilder.
 * @stable ICU 4.8
 */
enum UStringTrieBuildOption {
    /**
     * Builds a trie quickly.
     * @stable ICU 4.8
     */
    USTRINGTRIE_BUILD_FAST,
    /**
     * Builds a trie more slowly, attempting to generate
     * a shorter but equivalent serialization.
     * This build option also uses more memory.
     *
     * This option can be effective when many integer values are the same
     * and string/byte sequence suffixes can be shared.
     * Runtime speed is not expected to improve.
     * @stable ICU 4.8
     */
    USTRINGTRIE_BUILD_SMALL
};

U_NAMESPACE_BEGIN

/**
 * Base class for string trie builder classes.
 *
 * This class is not intended for public subclassing.
 * @stable ICU 4.8
 */
class U_COMMON_API StringTrieBuilder : public UObject {
public:
#ifndef U_HIDE_INTERNAL_API
    /** @internal */
    static int32_t hashNode(const void *node);
    /** @internal */
    static UBool equalNodes(const void *left, const void *right);
#endif  /* U_HIDE_INTERNAL_API */

protected:
    // Do not enclose the protected default constructor with #ifndef U_HIDE_INTERNAL_API
    // or else the compiler will create a public default constructor.
    /** @internal */
    StringTrieBuilder();
    /** @internal */
    virtual ~StringTrieBuilder();

#ifndef U_HIDE_INTERNAL_API
    /** @internal */
    void createCompactBuilder(int32_t sizeGuess, UErrorCode &errorCode);
    /** @internal */
    void deleteCompactBuilder();

/** @internal */
    void build(UStringTrieBuildOption buildOption, int32_t elementsLength, UErrorCode &errorCode);

/** @internal */
    int32_t writeNode(int32_t start, int32_t limit, int32_t unitIndex);
    /** @internal */
    int32_t writeBranchSubNode(int32_t start, int32_t limit, int32_t unitIndex, int32_t length);
#endif  /* U_HIDE_INTERNAL_API */

class Node;

#ifndef U_HIDE_INTERNAL_API
    /** @internal */
    Node *makeNode(int32_t start, int32_t limit, int32_t unitIndex, UErrorCode &errorCode);
    /** @internal */
    Node *makeBranchSubNode(int32_t start, int32_t limit, int32_t unitIndex,
                            int32_t length, UErrorCode &errorCode);
#endif  /* U_HIDE_INTERNAL_API */

/** @internal */
    virtual int32_t getElementStringLength(int32_t i) const = 0;
    /** @internal */
    virtual char16_t getElementUnit(int32_t i, int32_t unitIndex) const = 0;
    /** @internal */
    virtual int32_t getElementValue(int32_t i) const = 0;

// Finds the first unit index after this one where
    // the first and last element have different units again.
    /** @internal */
    virtual int32_t getLimitOfLinearMatch(int32_t first, int32_t last, int32_t unitIndex) const = 0;

// Number of different units at unitIndex.
    /** @internal */
    virtual int32_t countElementUnits(int32_t start, int32_t limit, int32_t unitIndex) const = 0;
    /** @internal */
    virtual int32_t skipElementsBySomeUnits(int32_t i, int32_t unitIndex, int32_t count) const = 0;
    /** @internal */
    virtual int32_t indexOfElementWithNextUnit(int32_t i, int32_t unitIndex, char16_t unit) const = 0;

/** @internal */
    virtual UBool matchNodesCanHaveValues() const = 0;

/** @internal */
    virtual int32_t getMaxBranchLinearSubNodeLength() const = 0;
    /** @internal */
    virtual int32_t getMinLinearMatch() const = 0;
    /** @internal */
    virtual int32_t getMaxLinearMatchLength() const = 0;

#ifndef U_HIDE_INTERNAL_API
    // max(BytesTrie::kMaxBranchLinearSubNodeLength, UCharsTrie::kMaxBranchLinearSubNodeLength).
    /** @internal */
    static const int32_t kMaxBranchLinearSubNodeLength=5;

// Maximum number of nested split-branch levels for a branch on all 2^16 possible char16_t units.
    // log2(2^16/kMaxBranchLinearSubNodeLength) rounded up.
    /** @internal */
    static const int32_t kMaxSplitBranchLevels=14;

/**
     * Makes sure that there is only one unique node registered that is
     * equivalent to newNode.
     * @param newNode Input node. The builder takes ownership.
     * @param errorCode ICU in/out UErrorCode.
                        Set to U_MEMORY_ALLOCATION_ERROR if it was success but newNode==NULL.
     * @return newNode if it is the first of its kind, or
     *         an equivalent node if newNode is a duplicate.
     * @internal
     */
    Node *registerNode(Node *newNode, UErrorCode &errorCode);
    /**
     * Makes sure that there is only one unique FinalValueNode registered
     * with this value.
     * Avoids creating a node if the value is a duplicate.
     * @param value A final value.
     * @param errorCode ICU in/out UErrorCode.
                        Set to U_MEMORY_ALLOCATION_ERROR if it was success but newNode==NULL.
     * @return A FinalValueNode with the given value.
     * @internal
     */
    Node *registerFinalValue(int32_t value, UErrorCode &errorCode);
#endif  /* U_HIDE_INTERNAL_API */

/*
     * C++ note:
     * registerNode() and registerFinalValue() take ownership of their input nodes,
     * and only return owned nodes.
     * If they see a failure UErrorCode, they will delete the input node.
     * If they get a NULL pointer, they will record a U_MEMORY_ALLOCATION_ERROR.
     * If there is a failure, they return NULL.
     *
     * NULL Node pointers can be safely passed into other Nodes because
     * they call the static Node::hashCode() which checks for a NULL pointer first.
     *
     * Therefore, as long as builder functions register a new node,
     * they need to check for failures only before explicitly dereferencing
     * a Node pointer, or before setting a new UErrorCode.
     */

// Hash set of nodes, maps from nodes to integer 1.
    /** @internal */
    UHashtable *nodes;

// Do not conditionalize the following with #ifndef U_HIDE_INTERNAL_API,
    // it is needed for layout of other objects.
    /**
     * @internal
     * \cond
     */
    class Node : public UObject {
    public:
        Node(int32_t initialHash) : hash(initialHash), offset(0) {}
        inline int32_t hashCode() const { return hash; }
        // Handles node==NULL.
        static inline int32_t hashCode(const Node *node) { return node==NULL ? 0 : node->hashCode(); }
        // Base class operator==() compares the actual class types.
        virtual UBool operator==(const Node &other) const;
        inline UBool operator!=(const Node &other) const { return !operator==(other); }
        /**
         * Traverses the Node graph and numbers branch edges, with rightmost edges first.
         * This is to avoid writing a duplicate node twice.
         *
         * Branch nodes in this trie data structure are not symmetric.
         * Most branch edges "jump" to other nodes but the rightmost branch edges
         * just continue without a jump.
         * Therefore, write() must write the rightmost branch edge last
         * (trie units are written backwards), and must write it at that point even if
         * it is a duplicate of a node previously written elsewhere.
         *
         * This function visits and marks right branch edges first.
         * Edges are numbered with increasingly negative values because we share the
         * offset field which gets positive values when nodes are written.
         * A branch edge also remembers the first number for any of its edges.
         *
         * When a further-left branch edge has a number in the range of the rightmost
         * edge's numbers, then it will be written as part of the required right edge
         * and we can avoid writing it first.
         *
         * After root.markRightEdgesFirst(-1) the offsets of all nodes are negative
         * edge numbers.
         *
         * @param edgeNumber The first edge number for this node and its sub-nodes.
         * @return An edge number that is at least the maximum-negative
         *         of the input edge number and the numbers of this node and all of its sub-nodes.
         */
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
        // write() must set the offset to a positive value.
        virtual void write(StringTrieBuilder &builder) = 0;
        // See markRightEdgesFirst.
        inline void writeUnlessInsideRightEdge(int32_t firstRight, int32_t lastRight,
                                               StringTrieBuilder &builder) {
            // Note: Edge numbers are negative, lastRight<=firstRight.
            // If offset>0 then this node and its sub-nodes have been written already
            // and we need not write them again.
            // If this node is part of the unwritten right branch edge,
            // then we wait until that is written.
            if(offset<0 && (offset<lastRight || firstRight<offset)) {
                write(builder);
            }
        }
        inline int32_t getOffset() const { return offset; }
    protected:
        int32_t hash;
        int32_t offset;
    };

#ifndef U_HIDE_INTERNAL_API
    // This class should not be overridden because
    // registerFinalValue() compares a stack-allocated FinalValueNode
    // (stack-allocated so that we don't unnecessarily create lots of duplicate nodes)
    // with the input node, and the
    // !Node::operator==(other) used inside FinalValueNode::operator==(other)
    // will be false if the typeid's are different.
    /** @internal */
    class FinalValueNode : public Node {
    public:
        FinalValueNode(int32_t v) : Node(0x111111u*37u+v), value(v) {}
        virtual UBool operator==(const Node &other) const;
        virtual void write(StringTrieBuilder &builder);
    protected:
        int32_t value;
    };
#endif  /* U_HIDE_INTERNAL_API */

// Do not conditionalize the following with #ifndef U_HIDE_INTERNAL_API,
    // it is needed for layout of other objects.
    /**
     * @internal 
     */
    class ValueNode : public Node {
    public:
        ValueNode(int32_t initialHash) : Node(initialHash), hasValue(FALSE), value(0) {}
        virtual UBool operator==(const Node &other) const;
        void setValue(int32_t v) {
            hasValue=TRUE;
            value=v;
            hash=hash*37u+v;
        }
    protected:
        UBool hasValue;
        int32_t value;
    };

#ifndef U_HIDE_INTERNAL_API
    /** 
     * @internal 
     */
    class IntermediateValueNode : public ValueNode {
    public:
        IntermediateValueNode(int32_t v, Node *nextNode)
                : ValueNode(0x222222u*37u+hashCode(nextNode)), next(nextNode) { setValue(v); }
        virtual UBool operator==(const Node &other) const;
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
        virtual void write(StringTrieBuilder &builder);
    protected:
        Node *next;
    };
#endif  /* U_HIDE_INTERNAL_API */

// Do not conditionalize the following with #ifndef U_HIDE_INTERNAL_API,
    // it is needed for layout of other objects.
    /**
     * @internal 
     */
    class LinearMatchNode : public ValueNode {
    public:
        LinearMatchNode(int32_t len, Node *nextNode)
                : ValueNode((0x333333u*37u+len)*37u+hashCode(nextNode)),
                  length(len), next(nextNode) {}
        virtual UBool operator==(const Node &other) const;
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
    protected:
        int32_t length;
        Node *next;
    };

#ifndef U_HIDE_INTERNAL_API
    /**
     * @internal 
     */
    class BranchNode : public Node {
    public:
        BranchNode(int32_t initialHash) : Node(initialHash) {}
    protected:
        int32_t firstEdgeNumber;
    };

/**
     * @internal 
     */
    class ListBranchNode : public BranchNode {
    public:
        ListBranchNode() : BranchNode(0x444444), length(0) {}
        virtual UBool operator==(const Node &other) const;
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
        virtual void write(StringTrieBuilder &builder);
        // Adds a unit with a final value.
        void add(int32_t c, int32_t value) {
            units[length]=(char16_t)c;
            equal[length]=NULL;
            values[length]=value;
            ++length;
            hash=(hash*37u+c)*37u+value;
        }
        // Adds a unit which leads to another match node.
        void add(int32_t c, Node *node) {
            units[length]=(char16_t)c;
            equal[length]=node;
            values[length]=0;
            ++length;
            hash=(hash*37u+c)*37u+hashCode(node);
        }
    protected:
        Node *equal[kMaxBranchLinearSubNodeLength];  // NULL means "has final value".
        int32_t length;
        int32_t values[kMaxBranchLinearSubNodeLength];
        char16_t units[kMaxBranchLinearSubNodeLength];
    };

/**
     * @internal 
     */
    class SplitBranchNode : public BranchNode {
    public:
        SplitBranchNode(char16_t middleUnit, Node *lessThanNode, Node *greaterOrEqualNode)
                : BranchNode(((0x555555u*37u+middleUnit)*37u+
                              hashCode(lessThanNode))*37u+hashCode(greaterOrEqualNode)),
                  unit(middleUnit), lessThan(lessThanNode), greaterOrEqual(greaterOrEqualNode) {}
        virtual UBool operator==(const Node &other) const;
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
        virtual void write(StringTrieBuilder &builder);
    protected:
        char16_t unit;
        Node *lessThan;
        Node *greaterOrEqual;
    };

// Branch head node, for writing the actual node lead unit.
    /** @internal */
    class BranchHeadNode : public ValueNode {
    public:
        BranchHeadNode(int32_t len, Node *subNode)
                : ValueNode((0x666666u*37u+len)*37u+hashCode(subNode)),
                  length(len), next(subNode) {}
        virtual UBool operator==(const Node &other) const;
        virtual int32_t markRightEdgesFirst(int32_t edgeNumber);
        virtual void write(StringTrieBuilder &builder);
    protected:
        int32_t length;
        Node *next;  // A branch sub-node.
    };

#endif  /* U_HIDE_INTERNAL_API */
    /// \endcond

/** @internal */
    virtual Node *createLinearMatchNode(int32_t i, int32_t unitIndex, int32_t length,
                                        Node *nextNode) const = 0;

/** @internal */
    virtual int32_t write(int32_t unit) = 0;
    /** @internal */
    virtual int32_t writeElementUnits(int32_t i, int32_t unitIndex, int32_t length) = 0;
    /** @internal */
    virtual int32_t writeValueAndFinal(int32_t i, UBool isFinal) = 0;
    /** @internal */
    virtual int32_t writeValueAndType(UBool hasValue, int32_t value, int32_t node) = 0;
    /** @internal */
    virtual int32_t writeDeltaTo(int32_t jumpTarget) = 0;
};

U_NAMESPACE_END

#endif /* U_SHOW_CPLUSPLUS_API */

#endif  // __STRINGTRIEBUILDER_H__

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