P4Result.cpp #1

/*******************************************************************************

Copyright (c) 1997-2007, Perforce Software, Inc.  All rights reserved.
Portions Copyright (c) 1999, Mike Meyer. All rights reserved.
Portions Copyright (c) 2004-2007, Robert Cowham. All rights reserved.

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$Id: //depot/r07.3/p4-python/P4Result.cpp#1 $
*******************************************************************************/

#include <Python.h>
#include "undefdups.h"
#include <clientapi.h>
#include "P4Result.h"
#include "P4PythonDebug.h"
#include <iostream>

using namespace std;

P4Result::P4Result()
{
    Reset();
}


void
P4Result::Reset()
{
    output = PyList_New(0);
    warnings = PyList_New(0);
    errors = PyList_New(0);
    
    if (output == NULL || warnings == NULL || errors == NULL) {
    	cerr << "[P4Result::P4Result] Error creating lists" << endl;
    }    
}

void P4Result::AppendString(PyObject * list, const char * str)
{
    PyObject *s = PyString_FromString(str);
    if (!s) {
	// TODO: Throw exception
    }
    if (PyList_Append(list, s) == -1) {
    	// TODO: Throw exception
    }
}

void P4Result::AddOutput( const char *msg )
{
    AppendString(output, msg);
}

void P4Result::AddOutput( PyObject * out )
{
    if (PyList_Append(output, out) == -1) {
    	// TODO: Throw exception
    }
}

void
P4Result::AddError( Error *e )
{
    StrBuf	m;
    e->Fmt( &m, EF_PLAIN );

    int s;
    s = e->GetSeverity();

    // 
    // Empty and informational messages are pushed out as output as nothing
    // worthy of error handling has occurred. Warnings go into the warnings
    // list and the rest are lumped together as errors.
    //

    if ( s == E_EMPTY || s == E_INFO )
    {
	AddOutput( m.Text() );
	return;
    }

    if ( s == E_WARN )
	AppendString(warnings, m.Text());
    else
	AppendString(errors, m.Text());
}

int
P4Result::ErrorCount()
{
    return PyList_Size( errors );
}

int
P4Result::WarningCount()
{
    return PyList_Size( warnings );
}

void
P4Result::FmtErrors( StrBuf &buf )
{
    Fmt( "[Error]: ", errors, buf );
}

void
P4Result::FmtWarnings( StrBuf &buf )
{
    Fmt( "[Warning]: ", warnings, buf );
}


int
P4Result::Length( PyObject * list )
{
    return PyList_Size( list );
}

void
P4Result::Fmt( const char *label, PyObject * list, StrBuf &buf )
{
    buf.Clear();
    // If the array is empty, then we just return
    if( PyList_Size(list) == 0 ) return;

    // This is the string we'll use to prefix each entry in the array
    StrBuf csep;
    
    csep << "\n\t" << label;
    
    PyObject * jsep = PyString_FromString( csep.Text() );
    if (jsep == NULL) {
    	// TODO throw exception
    }
    
    // Since Array#join() won't prefix the first element with the separator
    // we'll have to do it manually.
    buf << csep;

    // Join the array elements together, and append the result to the buffer
    PyObject * str = PyObject_CallMethod(jsep, "join", "O", list);
    buf << PyString_AsString(str);

    return;
}