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update trimString(), add tokenize()

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This commit is contained in:
Josh Holtrop 2011-04-20 14:45:55 -04:00
parent cf4e09814f
commit 874be25658
1 changed files with 20 additions and 16 deletions
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36
WFObj.cc
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@ -20,14 +20,12 @@ using namespace std;
/****** static functions ******/
static string trimString(string s)
static string trimString(const string in)
{
size_t lastpos = s.find_last_not_of(WHITESPACE);
if (lastpos == string::npos)
size_t firstpos = in.find_first_not_of(WHITESPACE);
if (firstpos == string::npos)
return "";
s.erase(lastpos + 1);
s.erase(0, s.find_first_not_of(WHITESPACE));
return s;
return string(in, firstpos, in.find_last_not_of(WHITESPACE) - firstpos + 1);
}
static string stripFirstToken(string & input)
@ -41,6 +39,20 @@ static string stripFirstToken(string & input)
return token;
}
vector<string> tokenize(const string & input)
{
vector<string> tokens;
string in = input;
for (;;)
{
string token = stripFirstToken(in);
if (token == "")
break;
tokens.push_back(token);
}
return tokens;
}
static vector<string> splitString(const string & str, char delim)
{
vector<string> ret;
@ -134,8 +146,7 @@ bool WFObj::load(const WFObj::Buffer &buff)
size_t idx = 0;
while (idx < buff.length)
{
string line = getLine(buff, idx, &idx);
string input = trimString(line);
string input = trimString(getLine(buff, idx, &idx));
int sz = input.size();
if (sz == 0 || input[0] == '#')
continue;
@ -182,14 +193,7 @@ string WFObj::getLine(const Buffer & buff, size_t idx, size_t *update_idx)
void WFObj::processInputLine(const std::string & input)
{
string line = input;
vector<string> tokens;
for (;;)
{
string token = stripFirstToken(line);
if (token == "")
break;
tokens.push_back(token);
}
vector<string> tokens = tokenize(line);
if (tokens.size() == 0)
return;