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stream.h cleanup & commenting

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This commit is contained in:
Noel Berry 2021-01-14 12:21:59 -08:00
parent 2dcf902671
commit 261e2fd5e7
2 changed files with 50 additions and 43 deletions
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48
include/blah/streams/stream.h
View File

@ -43,45 +43,20 @@ namespace Blah
int64_t read(void* buffer, int64_t length) { return read_into(buffer, length); }
// reads a string. if length < 0, assumes null-terminated
String read_string(int length = -1)
{
String result;
String read_string(int length = -1);
if (length < 0)
{
char next;
while (read(&next, 1) && next != '\0')
result.append(next);
}
else
{
result.set_length(length);
read_into(result.cstr(), length);
}
return result;
}
String read_line()
{
String result;
char next;
while (read(&next, 1) && next != '\n' && next != '\0')
result.append(next);
return result;
}
// reads a string until a newline '\n' or null-terminator '\0' is found
String read_line();
// reads a number
template<class T>
template<typename T, typename = typename std::enable_if<std::is_arithmetic<T>::value, T>::type>
T read()
{
return read<T>(Endian::Little);
}
// reads a number
template<class T>
template<typename T, typename = typename std::enable_if<std::is_arithmetic<T>::value, T>::type>
T read(Endian endian)
{
T result;
@ -92,16 +67,10 @@ namespace Blah
}
// writes the amount of bytes to the stream from the given buffer, and returns the amount written
int64_t write(const void* buffer, int64_t length)
{
return write_from(buffer, length);
}
int64_t write(const void* buffer, int64_t length);
// writes the contents of a string to the stream
int64_t write(const String& string)
{
return write_from(string.begin(), string.length());
}
int64_t write(const String& string);
// writes a number
template<typename T, typename = typename std::enable_if<std::is_arithmetic<T>::value, T>::type>
@ -130,6 +99,3 @@ namespace Blah
virtual int64_t write_from(const void* buffer, int64_t length) = 0;
};
}
#undef BLAH_SWAP_ENDIAN
#undef BLAH_BIG_ENDIAN

41
src/streams/stream.cpp
View File

@ -27,3 +27,44 @@ int64_t Stream::pipe(Stream& stream, int64_t length)
return result;
}
// reads a string. if length < 0, assumes null-terminated
String Stream::read_string(int length)
{
String result;
if (length < 0)
{
char next;
while (read(&next, 1) && next != '\0')
result.append(next);
}
else
{
result.set_length(length);
read_into(result.cstr(), length);
}
return result;
}
String Stream::read_line()
{
String result;
char next;
while (read(&next, 1) && next != '\n' && next != '\0')
result.append(next);
return result;
}
int64_t Stream::write(const void* buffer, int64_t length)
{
return write_from(buffer, length);
}
int64_t Stream::write(const String& string)
{
return write_from(string.begin(), string.length());
}