main.cpp

来自「一个语言识别引擎」· C++ 代码 · 共 59 行

// -*- mode:C++; tab-width:4; c-basic-offset:4; indent-tabs-mode:nil -*-
#include <stdio.h>
#include <stdlib.h>

#include <yarp/os/Bottle.h>

using namespace yarp::os;

int main(int argc, char *argv[]) {

    Bottle b;
    b.addString("color");
    b.addString("red");
    printf("Bottle b is: %s\n", b.toString().c_str());
    // should give: color red

    Bottle b2;
    b2.addString("height");
    b2.addInt(15);
    printf("Bottle b2 is: %s\n", b2.toString().c_str());
    // should give: height 15

    Bottle b3;
    b3.addList() = b;
    b3.addList() = b2;
    printf("Bottle b3 is: %s\n", b3.toString().c_str());
    // should give: (color red) (height 15)

    printf("color check: %s\n", b3.find("color").asString().c_str());
    printf("height check: %d\n", b3.find("height").asInt());

    Bottle b4;
    b4.addString("nested");
    b4.addList() = b3;
    printf("Bottle b4 is: %s\n", b4.toString().c_str());
    // should give: nested ((color red) (height 15))

    // alternative way to create a Bottle from textual representation
    Bottle b5("(pos left top) (size 10)");
    printf("Bottle b5 is: %s\n", b5.toString().c_str());
    // should give: (pos left top) (size 10)

    Bottle b6;
    b6 = b5;
    b6.addList() = b4;
    printf("Bottle b6 is: %s\n", b6.toString().c_str());
    // should give: (pos left top) (size 10) (nested ((color red) (height 5))

    printf("size check: %d\n", b6.find("size").asInt());
    printf("pos check: %s\n", b6.find("pos").asString().c_str());
    // find assumes key->value pairs; for lists, use findGroup
    printf("pos group check: %s\n", b6.findGroup("pos").toString().c_str());
    // see documentation for Bottle::findGroup
    printf("nested check: %s\n", b6.find("nested").toString().c_str());
    printf("nested height check: %d\n", b6.find("nested").find("height").asInt());

    return 0;
}