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fixed GH #1141: Poco::StringTokenizer::TOK_TRIM changes behavior between 1.4 and 1.6

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Conflicts:
	Foundation/include/Poco/StringTokenizer.h
	Foundation/src/StringTokenizer.cpp
This commit is contained in:
Guenter Obiltschnig
2016-02-27 16:10:06 +01:00
parent 0efc7c4cf3
commit a1d8591dfd
3 changed files with 31 additions and 17 deletions
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6
Foundation/include/Poco/StringTokenizer.h
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@@ -68,12 +68,12 @@ public:
bool has(const std::string& token) const;
/// Returns true if token exists, false otherwise.
std::size_t find(const std::string& token, std::size_t pos = 0) const;
/// Returns the index of the first occurrence of the token
std::string::size_type find(const std::string& token, std::string::size_type pos = 0) const;
/// Returns the index of the first occurence of the token
/// starting at position pos.
/// Throws a NotFoundException if the token is not found.
std::size_t replace(const std::string& oldToken, const std::string& newToken, std::size_t pos = 0);
std::size_t replace(const std::string& oldToken, const std::string& newToken, std::string::size_type pos = 0);
/// Starting at position pos, replaces all subsequent tokens having value
/// equal to oldToken with newToken.
/// Returns the number of modified tokens.

21
Foundation/src/StringTokenizer.cpp
View File

@@ -16,9 +16,9 @@
#include "Poco/StringTokenizer.h"
#include "Poco/Ascii.h"
#include <algorithm>
namespace Poco {
@@ -38,7 +38,7 @@ StringTokenizer::StringTokenizer(const std::string& str, const std::string& sepa
if (doTrim) trim(token);
if (!token.empty() || !ignoreEmpty) _tokens.push_back(token);
if (!ignoreEmpty) lastToken = true;
token = "";
token.clear();
}
else
{
@@ -50,9 +50,12 @@ StringTokenizer::StringTokenizer(const std::string& str, const std::string& sepa
if (!token.empty())
{
if (doTrim) trim(token);
if (!token.empty()) _tokens.push_back(token);
if (!token.empty() || !ignoreEmpty) _tokens.push_back(token);
}
else if (lastToken)
{
_tokens.push_back(std::string());
}
else if (lastToken) _tokens.push_back("");
}
@@ -63,7 +66,9 @@ StringTokenizer::~StringTokenizer()
void StringTokenizer::trim(std::string& token)
{
std::size_t front = 0, back = 0, length = token.length();
std::string::size_type front = 0;
std::string::size_type back = 0;
std::string::size_type length = token.length();
std::string::const_iterator tIt = token.begin();
std::string::const_iterator tEnd = token.end();
for (; tIt != tEnd; ++tIt, ++front)
@@ -96,7 +101,7 @@ std::size_t StringTokenizer::count(const std::string& token) const
}
std::size_t StringTokenizer::find(const std::string& token, std::size_t pos) const
std::string::size_type StringTokenizer::find(const std::string& token, std::string::size_type pos) const
{
TokenVec::const_iterator it = std::find(_tokens.begin() + pos, _tokens.end(), token);
if (it != _tokens.end())
@@ -106,13 +111,15 @@ std::size_t StringTokenizer::find(const std::string& token, std::size_t pos) con
throw NotFoundException(token);
}
bool StringTokenizer::has(const std::string& token) const
{
TokenVec::const_iterator it = std::find(_tokens.begin(), _tokens.end(), token);
return it != _tokens.end();
}
std::size_t StringTokenizer::replace(const std::string& oldToken, const std::string& newToken, std::size_t pos)
std::size_t StringTokenizer::replace(const std::string& oldToken, const std::string& newToken, std::string::size_type pos)
{
std::size_t result = 0;
TokenVec::iterator it = std::find(_tokens.begin() + pos, _tokens.end(), oldToken);

7
Foundation/testsuite/src/StringTokenizerTest.cpp
View File

@@ -326,6 +326,13 @@ void StringTokenizerTest::testStringTokenizer()
assert (st.find("2") == 1);
assert (st.find("3") == 2);
}
{
Poco::StringTokenizer st(" 2- ","-", Poco::StringTokenizer::TOK_TRIM);
assert (st.count() == 2);
assert (st[0] == "2");
assert (st[1] == "");
}
}