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* Sync with the trunk.

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This commit is contained in:
Eelco Dolstra 2010-05-12 22:13:09 +00:00
commit aa45027818
109 changed files with 3350 additions and 4010 deletions
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88
src/libutil/util.cc
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@ -950,53 +950,6 @@ void _interrupted()
//////////////////////////////////////////////////////////////////////
string packStrings(const Strings & strings)
{
string d;
for (Strings::const_iterator i = strings.begin();
i != strings.end(); ++i)
{
unsigned int len = i->size();
d += len & 0xff;
d += (len >> 8) & 0xff;
d += (len >> 16) & 0xff;
d += (len >> 24) & 0xff;
d += *i;
}
return d;
}
Strings unpackStrings(const string & s)
{
Strings strings;
string::const_iterator i = s.begin();
while (i != s.end()) {
if (i + 4 > s.end())
throw Error(format("short db entry: `%1%'") % s);
unsigned int len;
len = (unsigned char) *i++;
len |= ((unsigned char) *i++) << 8;
len |= ((unsigned char) *i++) << 16;
len |= ((unsigned char) *i++) << 24;
if (len == 0xffffffff) return strings; /* explicit end-of-list */
if (i + len > s.end())
throw Error(format("short db entry: `%1%'") % s);
strings.push_back(string(i, i + len));
i += len;
}
return strings;
}
Strings tokenizeString(const string & s, const string & separators)
{
Strings result;
@ -1052,6 +1005,47 @@ bool hasSuffix(const string & s, const string & suffix)
}
void expect(std::istream & str, const string & s)
{
char s2[s.size()];
str.read(s2, s.size());
if (string(s2, s.size()) != s)
throw Error(format("expected string `%1%'") % s);
}
string parseString(std::istream & str)
{
string res;
expect(str, "\"");
int c;
while ((c = str.get()) != '"')
if (c == '\\') {
c = str.get();
if (c == 'n') res += '\n';
else if (c == 'r') res += '\r';
else if (c == 't') res += '\t';
else res += c;
}
else res += c;
return res;
}
bool endOfList(std::istream & str)
{
if (str.peek() == ',') {
str.get();
return false;
}
if (str.peek() == ']') {
str.get();
return true;
}
return false;
}
void ignoreException()
{
try {