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cppan_string.cpp
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59 lines (55 loc) · 1.51 KB
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/*
* Copyright (C) 2016-2017, Egor Pugin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "cppan_string.h"
int get_end_of_string_block(const String &s, int i)
{
auto c = s[i - 1];
int n_curly = c == '(';
int n_square = c == '[';
int n_quotes = c == '\"';
auto sz = (int)s.size();
while ((n_curly > 0 || n_square > 0 || n_quotes > 0) && i < sz)
{
c = s[i];
if (c == '\"')
{
if (i && s[i - 1] == '\\')
;
else if (n_quotes == 0)
i = get_end_of_string_block(s, i + 1) - 1;
else
n_quotes--;
}
else
{
switch (c)
{
case '(':
case '[':
i = get_end_of_string_block(s, i + 1) - 1;
break;
case ')':
n_curly--;
break;
case ']':
n_square--;
break;
}
}
i++;
}
return i;
}