implement very simple SvScriptStream to read from process

It inherits from SvStream, so it could be used easily.
Basically, it's just a simple wrapper around
osl_executeProcess_WithRedirectedIO() and osl_readFile().

Change-Id: Ifa225c87d2c9be7e71ea113b0832a4fe83ec65b3

1 files changed, 18 insertions, 4 deletions

diff --git a/include/tools/stream.hxx b/include/tools/stream.hxx
index 3a62e98a1226..e390407a274e 100644
--- a/include/tools/stream.hxx
+++ b/include/tools/stream.hxx
@@ -20,6 +20,7 @@
 #define INCLUDED_TOOLS_STREAM_HXX
 
 #include <limits>
+#include <osl/process.h>
 #include <tools/toolsdllapi.h>
 #include <tools/solar.h>
 #include <tools/lineend.hxx>
@@ -362,7 +363,7 @@ public:
               @endcode
               causing endless loops ...
     */
-    bool            ReadLine( OString& rStr, sal_Int32 nMaxBytesToRead = 0xFFFE );
+    virtual bool    ReadLine( OString& rStr, sal_Int32 nMaxBytesToRead = 0xFFFE );
     bool            WriteLine( const OString& rStr );
 
     /** Read a line of bytes.
@@ -470,10 +471,10 @@ public:
     friend SvStream& operator<<( SvStream& rStr, SvStrPtr f ); // for Manips
 
     /// end of input seen during previous i/o operation
-    bool            eof() const { return bIsEof; }
+    virtual bool eof() const { return bIsEof; }
 
     /// stream is broken
-    bool            bad() const { return GetError() != 0; }
+    virtual bool bad() const { return GetError() != 0; }
 
     /** Get state
 
@@ -488,7 +489,7 @@ public:
         If we try to read into a variable v and the operation fails, the value
         of v should be unchanged,
     */
-    bool good() const { return !(eof() || bad()); }
+    virtual bool good() const { return !(eof() || bad()); }
 };
 
 inline SvStream& operator<<( SvStream& rStr, SvStrPtr f )
@@ -759,6 +760,19 @@ public:
     virtual sal_Size remainingSize() { return GetBufSize() - Tell(); }
 };
 
+class TOOLS_DLLPUBLIC SvScriptStream: public SvStream
+{
+    oslProcess mpProcess;
+    oslFileHandle mpHandle;
+
+public:
+    SvScriptStream(const OUString& rUrl);
+    ~SvScriptStream();
+
+    virtual bool ReadLine(OString &rStr, sal_Int32) SAL_OVERRIDE;
+    virtual bool good() const SAL_OVERRIDE;
+};
+
 /** Data Copy Stream
 
     This class is the foundation for all classes, using SvData