ofDocsexamples strings sortingExample src ofApp.cpp
#include "ofApp.h"


// sort on abc's
//--------------------------------------------------------------
bool ofApp::sortOnABC(const LyricWord &a, const LyricWord &b) {
    return a.word < b.word;
}

// sort on word length
//--------------------------------------------------------------
bool ofApp::sortOnLength(const LyricWord &a, const LyricWord &b) {
    return (int)a.word.size() > (int)b.word.size();
}

// sort on occurrences
//--------------------------------------------------------------
bool ofApp::sortOnOccurrences(const LyricWord &a, const LyricWord &b) {
    return a.occurrences > b.occurrences;
}


// remove runction
//--------------------------------------------------------------
bool ofApp::removeWordIf(LyricWord &wrd) {

    bool bRemove = false;
    static string ignoreWords[11] = {"the", "to", "of", "a", "and", "i", "it", "if", "is", "in", "be"};

    // if this word empty
    if(wrd.word.empty()) bRemove = true;

    // are we a word that we do now want
    for (int j=0; j<11; j++) {
        if(wrd.word == ignoreWords[j]) {
            bRemove = true;
            break;
        }
    }

    return bRemove;
}

//--------------------------------------------------------------
void ofApp::setup() {

    ofTrueTypeFont::setGlobalDpi(96);

    // load the font
	font.load("sans-serif", 11);
    sortTypeInfo = "no sort";
    words.clear();

    // load the txt document into a ofBuffer
    ofBuffer buffer = ofBufferFromFile("freshprince.txt");
    string   content = buffer.getText();


    // take the content and split it up by spaces
    // we need to also turn new lines into spaces so we can seperate words on new lines as well
    ofStringReplace(content, "\r", " ");
    ofStringReplace(content, "\n", " ");

    vector <string> splitString = ofSplitString(content, " ", true, true);

    // copy over the words to our object
    for (unsigned int i=0; i<splitString.size(); i++) {
        LyricWord wrd;
        wrd.occurrences = 1;
        wrd.word = ofToLower( splitString[i] );
        words.push_back(wrd);
    }

    // clean up the words removing any
    // characters that we do not want
    for (unsigned int i=0; i<words.size(); i++) {
        // run throught this ignore list and replace
        // that char with nothing
        char ignoreList[12] = {',', '.', '(', ')', '?', '!', '-', ':', '"', '\'', '\n', '\t'};
        for(int j=0; j<12; j++) {

            // make string from char
            string removeStr;
            removeStr += ignoreList[j];

            // remove and of the chars found
            ofStringReplace(words[i].word, removeStr, "");
        }
    }


    // count the amount of times that we see a word
    for (unsigned int i=0; i<words.size(); i++) {
        int c = 1;
        for (unsigned int j=0; j<words.size(); j++) {
            if(words[i].word == words[j].word) c ++;
        }
        words[i].occurrences = c;
    }

    // remove duplicates of the words
    vector<LyricWord>tempWord;
    for (unsigned int i=0; i<words.size(); i++) {
        bool bAdd = true;
        for(unsigned int j=0; j<tempWord.size(); j++) {
            if(words[i].word == tempWord[j].word) bAdd = false;
        }

        if(bAdd) {
            tempWord.push_back(words[i]);
        }
    }

    words = tempWord;

    // remove word we do not want
    ofRemove(words, ofApp::removeWordIf);

}


//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

    ofSetColor(50);

    ofPushMatrix();
    ofTranslate(ofGetWidth()/2, ofGetHeight()/2);

    float radius = 350;

    for(unsigned int i=0; i<words.size()/2; i++) {
        float t = -HALF_PI + ofMap(i, 0, (words.size()/2), 0, TWO_PI);
        float x = cos( t ) * radius;
        float y = sin( t ) * radius;
        float a = ofRadToDeg(atan2(y, x));
        ofSetColor(0);
        ofPushMatrix();
        ofTranslate(x, y);
        ofRotateZDeg(a);
        float scl = 1;
        glScalef(scl, scl, scl);
        font.drawString(words[i].word, 0, 20);
        ofPopMatrix();

    }

    ofSetColor(100);
    font.drawString(sortTypeInfo, -(font.stringWidth(sortTypeInfo)/2), 0);
    ofPopMatrix();


    // instruction
    ofSetColor(10);
    ofDrawBitmapString("\nPress 1 for no sort\nPress 2 for alphabetical\nPress 3 for word length\nPress 4 for word occurrence", 20, 20);



}

//--------------------------------------------------------------
void ofApp::keyPressed  (int key){

    // sort raw
    if(key == '1')     {
        sortTypeInfo = "no sort";
        setup();
    }

    // sort alphabetically
    if(key == '2') {
        sortTypeInfo = "sorting alphabetically";
        ofSort(words, ofApp::sortOnABC);
    }

    // sort by length of word
    if(key == '3')     {
        sortTypeInfo = "sorting on word length";
        ofSort(words, ofApp::sortOnLength);
    }

    // sort by length of word
    if(key == '4')     {
        sortTypeInfo = "sorting on word occurrences";
        ofSort(words, ofApp::sortOnOccurrences);
    }

}

//--------------------------------------------------------------
void ofApp::keyReleased  (int key){

}

//--------------------------------------------------------------
void ofApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void ofApp::mouseDragged(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void ofApp::mouseEntered(int x, int y){

}

//--------------------------------------------------------------
void ofApp::mouseExited(int x, int y){

}

//--------------------------------------------------------------
void ofApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void ofApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void ofApp::dragEvent(ofDragInfo dragInfo){

}