整个句子操纵的麻烦

Trouble with whole sentence manipulation

本文关键字：麻烦 操纵 句子      更新时间：2023-10-16

im制作猪拉丁转换器，我可以让它操纵一个单词并需要它转换整个句子，使每个单词在猪拉丁语中输出，下面是我的代码：

#include <iostream>
#include <string>
#include <cstring>
#include <fstream>
using namespace std;
bool isVowel (char);
string rotate(string);
string plString(string);
int main()
{
string str;
cout <<"Enter a sentence: ";
getline (cin, str);
cout << endl;
cout << str <<" in pig latin - " << plString(str) << endl;
ifstream infile;
infile.open("input.txt");
infile >> str;
while(infile)
{
    cout << plString(str) << " ";
    infile >> str;
}
cout << endl;
}
bool isVowel (char ch)
{
switch (ch)
{
case 'A':
case 'E':
case 'I':
case 'O':
case 'U':
case 'Y':
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
case 'y':
    return true;
default:
        return false;
}
}
string rotate(string str)
{
string::size_type len = str.length();
string str1;
str1 = str.substr(1, len - 1) + str[0];
return str1;
}
string plString(string str)
{
string::size_type len;
bool vowel;
string::size_type counter;
if (isVowel (str[0]))
    str = str + "way";
else
{
    str = str + "";
    str = rotate(str);
    len = str.length();
    vowel = false;
    for (counter = 1; counter < len - 1; counter++)
        if (isVowel (str[0]))
        {
            vowel = true;
            break;
        }
        else
            str = rotate(str);
    if(!vowel)
        str = str.substr(1,len) + "way";
    else
        str = str + "ay";
}
return str;
}

关于如何使此操作的任何建议将不胜感激！

您需要将字符串分为单词（通过白空间定界符分开）。如果您在getline调用而不是" in pig latin - "行之后插入它，也许会有所帮助：

char delimiter = ' ';
string::size_type i = 0;
string::size_type j = str.find(delimiter);
while (j != string::npos) {
    string word = str.substr(i, j-i);
    std::cout << plString(word) << std::endl;
    i = ++j;
    j = str.find(delimiter, j);
    if (j == string::npos) {
        word = str.substr(i, s.length());
        std::cout << plString(word) << std::endl;
    }
 }
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