mirror of
https://github.com/Obfuscator-Collections/VMProtect.git
synced 2024-12-25 15:59:27 +03:00
5ec92ee05e
Version 3.x.x
284 lines
6.8 KiB
C++
284 lines
6.8 KiB
C++
// Scintilla source code edit control
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/** @file AutoComplete.cxx
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** Defines the auto completion list box.
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**/
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// Copyright 1998-2003 by Neil Hodgson <neilh@scintilla.org>
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// The License.txt file describes the conditions under which this software may be distributed.
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#include "Platform.h"
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#include "CharacterSet.h"
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#include "AutoComplete.h"
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#include "Scintilla.h"
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#ifdef SCI_NAMESPACE
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using namespace Scintilla;
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#endif
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AutoComplete::AutoComplete() :
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active(false),
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separator(' '),
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typesep('?'),
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ignoreCase(false),
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chooseSingle(false),
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lb(0),
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posStart(0),
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startLen(0),
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cancelAtStartPos(true),
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autoHide(true),
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dropRestOfWord(false),
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ignoreCaseBehaviour(SC_CASEINSENSITIVEBEHAVIOUR_RESPECTCASE),
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widthLBDefault(100),
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heightLBDefault(100),
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autoSort(SC_ORDER_PRESORTED) {
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lb = ListBox::Allocate();
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}
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AutoComplete::~AutoComplete() {
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if (lb) {
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lb->Destroy();
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delete lb;
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lb = 0;
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}
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}
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bool AutoComplete::Active() const {
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return active;
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}
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void AutoComplete::Start(Window &parent, int ctrlID,
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int position, Point location, int startLen_,
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int lineHeight, bool unicodeMode, int technology) {
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if (active) {
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Cancel();
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}
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lb->Create(parent, ctrlID, location, lineHeight, unicodeMode, technology);
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lb->Clear();
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active = true;
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startLen = startLen_;
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posStart = position;
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}
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void AutoComplete::SetStopChars(const char *stopChars_) {
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stopChars = stopChars_;
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}
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bool AutoComplete::IsStopChar(char ch) {
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return ch && (stopChars.find(ch) != std::string::npos);
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}
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void AutoComplete::SetFillUpChars(const char *fillUpChars_) {
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fillUpChars = fillUpChars_;
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}
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bool AutoComplete::IsFillUpChar(char ch) {
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return ch && (fillUpChars.find(ch) != std::string::npos);
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}
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void AutoComplete::SetSeparator(char separator_) {
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separator = separator_;
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}
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char AutoComplete::GetSeparator() const {
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return separator;
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}
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void AutoComplete::SetTypesep(char separator_) {
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typesep = separator_;
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}
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char AutoComplete::GetTypesep() const {
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return typesep;
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}
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struct Sorter {
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AutoComplete *ac;
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const char *list;
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std::vector<int> indices;
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Sorter(AutoComplete *ac_, const char *list_) : ac(ac_), list(list_) {
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int i = 0;
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while (list[i]) {
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indices.push_back(i); // word start
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while (list[i] != ac->GetTypesep() && list[i] != ac->GetSeparator() && list[i])
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++i;
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indices.push_back(i); // word end
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if (list[i] == ac->GetTypesep()) {
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while (list[i] != ac->GetSeparator() && list[i])
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++i;
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}
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if (list[i] == ac->GetSeparator()) {
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++i;
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// preserve trailing separator as blank entry
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if (!list[i]) {
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indices.push_back(i);
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indices.push_back(i);
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}
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}
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}
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indices.push_back(i); // index of last position
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}
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bool operator()(int a, int b) {
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int lenA = indices[a * 2 + 1] - indices[a * 2];
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int lenB = indices[b * 2 + 1] - indices[b * 2];
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int len = std::min(lenA, lenB);
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int cmp;
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if (ac->ignoreCase)
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cmp = CompareNCaseInsensitive(list + indices[a * 2], list + indices[b * 2], len);
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else
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cmp = strncmp(list + indices[a * 2], list + indices[b * 2], len);
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if (cmp == 0)
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cmp = lenA - lenB;
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return cmp < 0;
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}
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};
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void AutoComplete::SetList(const char *list) {
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if (autoSort == SC_ORDER_PRESORTED) {
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lb->SetList(list, separator, typesep);
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sortMatrix.clear();
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for (int i = 0; i < lb->Length(); ++i)
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sortMatrix.push_back(i);
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return;
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}
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Sorter IndexSort(this, list);
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sortMatrix.clear();
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for (int i = 0; i < (int)IndexSort.indices.size() / 2; ++i)
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sortMatrix.push_back(i);
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std::sort(sortMatrix.begin(), sortMatrix.end(), IndexSort);
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if (autoSort == SC_ORDER_CUSTOM || sortMatrix.size() < 2) {
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lb->SetList(list, separator, typesep);
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PLATFORM_ASSERT(lb->Length() == static_cast<int>(sortMatrix.size()));
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return;
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}
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std::string sortedList;
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char item[maxItemLen];
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for (size_t i = 0; i < sortMatrix.size(); ++i) {
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int wordLen = IndexSort.indices[sortMatrix[i] * 2 + 2] - IndexSort.indices[sortMatrix[i] * 2];
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strncpy(item, list + IndexSort.indices[sortMatrix[i] * 2], wordLen);
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if ((i+1) == sortMatrix.size()) {
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// Last item so remove separator if present
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if ((wordLen > 0) && (item[wordLen-1] == separator))
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wordLen--;
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} else {
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// Item before last needs a separator
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if ((wordLen == 0) || (item[wordLen-1] != separator)) {
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item[wordLen] = separator;
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wordLen++;
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}
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}
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item[wordLen] = '\0';
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sortedList += item;
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}
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for (int i = 0; i < (int)sortMatrix.size(); ++i)
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sortMatrix[i] = i;
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lb->SetList(sortedList.c_str(), separator, typesep);
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}
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int AutoComplete::GetSelection() const {
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return lb->GetSelection();
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}
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std::string AutoComplete::GetValue(int item) const {
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char value[maxItemLen];
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lb->GetValue(item, value, sizeof(value));
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return std::string(value);
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}
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void AutoComplete::Show(bool show) {
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lb->Show(show);
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if (show)
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lb->Select(0);
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}
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void AutoComplete::Cancel() {
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if (lb->Created()) {
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lb->Clear();
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lb->Destroy();
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active = false;
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}
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}
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void AutoComplete::Move(int delta) {
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int count = lb->Length();
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int current = lb->GetSelection();
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current += delta;
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if (current >= count)
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current = count - 1;
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if (current < 0)
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current = 0;
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lb->Select(current);
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}
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void AutoComplete::Select(const char *word) {
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size_t lenWord = strlen(word);
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int location = -1;
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int start = 0; // lower bound of the api array block to search
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int end = lb->Length() - 1; // upper bound of the api array block to search
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while ((start <= end) && (location == -1)) { // Binary searching loop
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int pivot = (start + end) / 2;
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char item[maxItemLen];
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lb->GetValue(sortMatrix[pivot], item, maxItemLen);
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int cond;
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if (ignoreCase)
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cond = CompareNCaseInsensitive(word, item, lenWord);
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else
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cond = strncmp(word, item, lenWord);
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if (!cond) {
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// Find first match
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while (pivot > start) {
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lb->GetValue(sortMatrix[pivot-1], item, maxItemLen);
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if (ignoreCase)
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cond = CompareNCaseInsensitive(word, item, lenWord);
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else
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cond = strncmp(word, item, lenWord);
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if (0 != cond)
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break;
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--pivot;
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}
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location = pivot;
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if (ignoreCase
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&& ignoreCaseBehaviour == SC_CASEINSENSITIVEBEHAVIOUR_RESPECTCASE) {
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// Check for exact-case match
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for (; pivot <= end; pivot++) {
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lb->GetValue(sortMatrix[pivot], item, maxItemLen);
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if (!strncmp(word, item, lenWord)) {
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location = pivot;
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break;
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}
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if (CompareNCaseInsensitive(word, item, lenWord))
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break;
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}
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}
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} else if (cond < 0) {
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end = pivot - 1;
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} else if (cond > 0) {
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start = pivot + 1;
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}
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}
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if (location == -1) {
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if (autoHide)
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Cancel();
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else
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lb->Select(-1);
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} else {
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if (autoSort == SC_ORDER_CUSTOM) {
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// Check for a logically earlier match
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char item[maxItemLen];
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for (int i = location + 1; i <= end; ++i) {
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lb->GetValue(sortMatrix[i], item, maxItemLen);
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if (CompareNCaseInsensitive(word, item, lenWord))
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break;
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if (sortMatrix[i] < sortMatrix[location] && !strncmp(word, item, lenWord))
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location = i;
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}
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}
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lb->Select(sortMatrix[location]);
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}
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}
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