diff options
Diffstat (limited to 'common/stream.h')
| -rw-r--r-- | common/stream.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/common/stream.h b/common/stream.h index abe5192b70..30107720dc 100644 --- a/common/stream.h +++ b/common/stream.h @@ -103,6 +103,14 @@ public: flush(); } + /** + * Obtains the current value of the stream position indicator of the + * stream. + * + * @return the current position indicator, or -1 if an error occurred. + */ + virtual int32 pos() const = 0; + // The remaining methods all have default implementations; subclasses // need not (and should not) overload them. @@ -394,6 +402,22 @@ public: #endif /** + * Read a 32-bit floating point value stored in little endian (LSB first) + * order from the stream and return it. + * Performs no error checking. The return value is undefined + * if a read error occurred (for which client code can check by + * calling err() and eos() ). + */ + FORCEINLINE float readFloatLE() { + uint32 n = readUint32LE(); + float f; + + memcpy(&f, &n, 4); + + return f; + } + + /** * Read the specified amount of data into a malloc'ed buffer * which then is wrapped into a MemoryReadStream. * The returned stream might contain less data than requested, @@ -490,6 +514,15 @@ public: * err() or eos() to determine whether an exception occurred. */ virtual String readLine(); + + /** + * Print a hexdump of the stream while maintaing position. The number + * of bytes per line is customizable. + * @param len the length of that data + * @param bytesPerLine number of bytes to print per line (default: 16) + * @param startOffset shift the shown offsets by the starting offset (default: 0) + */ + void hexdump(int len, int bytesPerLine = 16, int startOffset = 0); }; /** |