diff options
Diffstat (limited to 'indra/llcommon/llprocess.h')
| -rw-r--r-- | indra/llcommon/llprocess.h | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/indra/llcommon/llprocess.h b/indra/llcommon/llprocess.h index bf0517600d..2c6951b562 100644 --- a/indra/llcommon/llprocess.h +++ b/indra/llcommon/llprocess.h @@ -295,6 +295,9 @@ public: { public: virtual ~BasePipe() = 0; + + typedef std::size_t size_type; + static const size_type npos; }; /// As returned by getWritePipe() or getOptWritePipe() @@ -338,7 +341,7 @@ public: * the child, but the child happens to flush "12" before emitting * "3\n", get_istream() >> myint could return 12 rather than 123! */ - virtual std::size_t size() = 0; + virtual size_type size() const = 0; /** * Peek at accumulated buffer data without consuming it. Optional @@ -346,14 +349,32 @@ public: * * @note You can discard buffer data using get_istream().ignore(n). */ - virtual std::string peek(std::size_t offset=0, - std::size_t len=(std::numeric_limits<std::size_t>::max)()) = 0; + virtual std::string peek(size_type offset=0, size_type len=npos) const = 0; + + /** + * Detect presence of a substring (or char) in accumulated buffer data + * without retrieving it. Optional offset allows you to search from + * specified position. + */ + template <typename SEEK> + bool contains(SEEK seek, size_type offset=0) const + { return find(seek, offset) != npos; } + + /** + * Search for a substring in accumulated buffer data without + * retrieving it. Returns size_type position at which found, or npos + * meaning not found. Optional offset allows you to search from + * specified position. + */ + virtual size_type find(const std::string& seek, size_type offset=0) const = 0; /** - * Search accumulated buffer data without retrieving it. Optional - * offset allows you to start at specified position. + * Search for a char in accumulated buffer data without retrieving it. + * Returns size_type position at which found, or npos meaning not + * found. Optional offset allows you to search from specified + * position. */ - virtual bool contains(const std::string& seek, std::size_t offset=0) = 0; + virtual size_type find(char seek, size_type offset=0) const = 0; /** * Get LLEventPump& on which to listen for incoming data. The posted @@ -377,12 +398,12 @@ public: * the data posted with the LLSD event. If you don't call this method, * all pending data will be posted. */ - virtual void setLimit(size_t limit) = 0; + virtual void setLimit(size_type limit) = 0; /** * Query the current setLimit() limit. */ - virtual size_t getLimit() const = 0; + virtual size_type getLimit() const = 0; }; /// Exception thrown by getWritePipe(), getReadPipe() if you didn't ask to |