TextTools.cpp

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#include <tdme/tools/editor/misc/TextTools.h>
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/gui/GUI.h>
#include <tdme/gui/nodes/GUIStyledTextNode.h>
#include <tdme/gui/nodes/GUIStyledTextNodeController.h>
#include <tdme/utilities/Character.h>
#include <tdme/utilities/StringTools.h>
 
using std::string;
using std::to_string;
 
using tdme::tools::editor::misc::TextTools;
 
using tdme::gui::GUI;
using tdme::gui::nodes::GUIStyledTextNode;
using tdme::gui::nodes::GUIStyledTextNodeController;
using tdme::utilities::Character;
using tdme::utilities::StringTools;
 
bool TextTools::find(GUIStyledTextNode* textNode, const string& findString, bool matchCase, bool wholeWord, bool selection, bool firstSearch, int& index) {
    auto success = false;
    auto findStringLowerCase = matchCase == false?StringTools::toLowerCase(findString):findString;
    auto textMutableString = textNode->getText();
    auto textLowerCase = matchCase == false?StringTools::toLowerCase(textNode->getText().getString()):textNode->getText().getString();
    auto textNodeController = required_dynamic_cast<GUIStyledTextNodeController*>(textNode->getController());
    auto inSelectionAvailable = textNodeController->getIndex() != -1 && textNodeController->getSelectionIndex() != -1;
    auto i = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::min(textNodeController->getIndex(), textNodeController->getSelectionIndex())):0;
    auto fi = -1;
    auto ni = textMutableString.getUtf8BinaryIndex(index);
    auto l = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::max(textNodeController->getIndex(), textNodeController->getSelectionIndex())):textMutableString.size();
    while (i < l) {
        auto p = StringTools::indexOf(textLowerCase, findStringLowerCase, i);
        if (p != string::npos && p < l) {
            i = p + findStringLowerCase.size();
            if (wholeWord == true) {
                auto textCharIdxBefore = textMutableString.getUtf8CharacterIndex(p) - 1;
                auto textCharIdxAfter = textMutableString.getUtf8CharacterIndex(p + findStringLowerCase.size());
                auto textCharBefore = textMutableString.getUTF8CharAt(textCharIdxBefore);
                auto textCharAfter = textMutableString.getUTF8CharAt(textCharIdxAfter);
                if (Character::isAlphaNumeric(textCharBefore) == true || Character::isAlphaNumeric(textCharAfter) == true) {
                    continue;
                }
            }
            if (fi == -1) fi = p;
            if (ni != -1 && (firstSearch == true?p >= ni:p > ni)) {
                index = p;
                textNode->setTextStyle(p, p + findStringLowerCase.size() - 1, GUIColor("#ff0000"));
                textNode->scrollToIndex(index);
                ni = -1;
                firstSearch = false;
                success = true;
                //
                break;
            }
        } else {
            break;
        }
    }
    if (ni != -1 && fi != -1) {
        textNode->setTextStyle(fi, fi + findStringLowerCase.size() - 1, GUIColor("#ff0000"));
        index = fi;
        textNode->scrollToIndex(index);
        success = true;
    }
    //
    return success;
}
 
int TextTools::count(GUIStyledTextNode* textNode, const string& findString, bool matchCase, bool wholeWord, bool selection) {
    auto findStringLowerCase = matchCase == false?StringTools::toLowerCase(findString):findString;
    auto textMutableString = textNode->getText();
    auto textLowerCase = matchCase == false?StringTools::toLowerCase(textNode->getText().getString()):textNode->getText().getString();
    auto textNodeController = required_dynamic_cast<GUIStyledTextNodeController*>(textNode->getController());
    auto inSelectionAvailable = textNodeController->getIndex() != -1 && textNodeController->getSelectionIndex() != -1;
    auto i = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::min(textNodeController->getIndex(), textNodeController->getSelectionIndex())):0;
    auto l = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::max(textNodeController->getIndex(), textNodeController->getSelectionIndex())):textMutableString.size();
    auto c = 0;
    while (i < l) {
        auto p = StringTools::indexOf(textLowerCase, findStringLowerCase, i);
        if (p != string::npos && p < l) {
            i = p + findStringLowerCase.size();
            if (wholeWord == true) {
                auto textCharIdxBefore = textMutableString.getUtf8CharacterIndex(p) - 1;
                auto textCharIdxAfter = textMutableString.getUtf8CharacterIndex(p + findStringLowerCase.size());
                auto textCharBefore = textMutableString.getUTF8CharAt(textCharIdxBefore);
                auto textCharAfter = textMutableString.getUTF8CharAt(textCharIdxAfter);
                if (Character::isAlphaNumeric(textCharBefore) == true || Character::isAlphaNumeric(textCharAfter) == true) {
                    continue;
                }
            }
            textNode->setTextStyle(p, p + findStringLowerCase.size() - 1, GUIColor("#ff0000"));
            c++;
        } else {
            break;
        }
    }
    //
    return c;
}
 
bool TextTools::replace(GUIStyledTextNode* textNode, const string& findString, const string& replaceString, bool matchCase, bool wholeWord, bool selection, int& index) {
    auto success = false;
    auto findStringLowerCase = matchCase == false?StringTools::toLowerCase(findString):findString;
    auto findStringLength = StringTools::getUtf8Length(findString);
    auto textMutableString = textNode->getText();
    auto textLowerCase = matchCase == false?StringTools::toLowerCase(textMutableString.getString()):textMutableString.getString();
    auto textNodeController = required_dynamic_cast<GUIStyledTextNodeController*>(textNode->getController());
    auto inSelectionAvailable = textNodeController->getIndex() != -1 && textNodeController->getSelectionIndex() != -1;
    auto i = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::min(textNodeController->getIndex(), textNodeController->getSelectionIndex())):0;
    auto fi = -1;
    auto ni = textMutableString.getUtf8BinaryIndex(index);
    auto l = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::max(textNodeController->getIndex(), textNodeController->getSelectionIndex())):textMutableString.size();
    while (i < l) {
        auto p = StringTools::indexOf(textLowerCase, findStringLowerCase, i);
        if (p != string::npos && p < l) {
            i = p + findStringLowerCase.size();
            if (wholeWord == true) {
                auto textCharIdxBefore = textMutableString.getUtf8CharacterIndex(p) - 1;
                auto textCharIdxAfter = textMutableString.getUtf8CharacterIndex(p + findStringLowerCase.size());
                auto textCharBefore = textMutableString.getUTF8CharAt(textCharIdxBefore);
                auto textCharAfter = textMutableString.getUTF8CharAt(textCharIdxAfter);
                if (Character::isAlphaNumeric(textCharBefore) == true || Character::isAlphaNumeric(textCharAfter) == true) {
                    continue;
                }
            }
            if (fi == -1) fi = p;
            if (ni != -1 && p >= ni) {
                //
                auto replaceIndex = textMutableString.getUtf8CharacterIndex(p);
                textNodeController->replace(replaceString, replaceIndex, findStringLength);
                //
                index = replaceIndex + findStringLength;
                textNode->scrollToIndex(index);
                ni = -1;
                success = true;
                //
                break;
            }
        } else {
            break;
        }
    }
    if (ni != -1 && fi != -1) {
        //
        auto replaceIndex = textMutableString.getUtf8CharacterIndex(fi);
        textNodeController->replace(replaceString, replaceIndex, findStringLength);
        //
        index = replaceIndex + findStringLength;
        textNode->scrollToIndex(index);
        success = true;
    }
    //
    return success;
}
 
bool TextTools::replaceAll(GUIStyledTextNode* textNode, const string& findString, const string& replaceString, bool matchCase, bool wholeWord, bool selection) {
    auto success = false;
    auto findStringLowerCase = matchCase == false?StringTools::toLowerCase(findString):findString;
    auto findStringLength = StringTools::getUtf8Length(findString);
    auto textMutableString = textNode->getText();
    auto textLowerCase = matchCase == false?StringTools::toLowerCase(textNode->getText().getString()):textNode->getText().getString();
    auto textNodeController = required_dynamic_cast<GUIStyledTextNodeController*>(textNode->getController());
    auto inSelectionAvailable = textNodeController->getIndex() != -1 && textNodeController->getSelectionIndex() != -1;
    auto i = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::min(textNodeController->getIndex(), textNodeController->getSelectionIndex())):0;
    auto l = selection == true && inSelectionAvailable == true?textMutableString.getUtf8BinaryIndex(Math::max(textNodeController->getIndex(), textNodeController->getSelectionIndex())):textMutableString.size();
    while (i < l) {
        auto p = StringTools::indexOf(textLowerCase, findStringLowerCase, i);
        if (p != string::npos && p < l) {
            i = p + replaceString.size();
            if (wholeWord == true) {
                auto textCharIdxBefore = textMutableString.getUtf8CharacterIndex(p) - 1;
                auto textCharIdxAfter = textMutableString.getUtf8CharacterIndex(p + findStringLowerCase.size());
                auto textCharBefore = textMutableString.getUTF8CharAt(textCharIdxBefore);
                auto textCharAfter = textMutableString.getUTF8CharAt(textCharIdxAfter);
                if (Character::isAlphaNumeric(textCharBefore) == true || Character::isAlphaNumeric(textCharAfter) == true) {
                    continue;
                }
            }
            //
            auto replaceIndex = textMutableString.getUtf8CharacterIndex(p);
            textNodeController->replace(replaceString, replaceIndex, findStringLength);
            //
            textMutableString = textNode->getText();
            textLowerCase = matchCase == false?StringTools::toLowerCase(textNode->getText().getString()):textNode->getText().getString();
            success = true;
        } else {
            break;
        }
    }
    return success;
}