p4wThumbnailView.cpp #1

//
// Copyright 2000 Perforce Software.  All rights reserved.
//
// This file is part of Perforce - the FAST SCM System.
//
// p4wThumbnailView:
//   Renders output of print command using mime type determined by file suffix.


// -------------------------------------
// Includes
//
#include <stdio.h>
#include <string.h>

#include <p4wp4.h>

#include "p4wThumbnailView.h"
#include "p4wThumbnailPane.h"
#include "p4wErrorView.h"
#include "base64.h"

p4wThumbnailView::p4wThumbnailView(p4wRequest & Request)
	: p4wView(Request)
{
}

p4wThumbnailView::~p4wThumbnailView()
{
}

// -------------------------------------
// Render this view.
//
void p4wThumbnailView::Render()
{
	// we will need a p4wThumbnailPane no matter how we hanfle this
	p4wThumbnailPane printPane( *this, fRequest );

	//
	// handle AC_ECHOURLAsDATA
	if (fRequest.GetCmd() == AC_ECHOURLAsDATA)
	{
		int l;
		StrBuf bindata;
		StrBuf b64data;
		b64data << fRequest.GetFullURL();
		char *src = b64data.Text();
		if (*src == '/')
			strcpy(src, src+1);
		if (*src == '?' && !strcmp(src, "?ac=171"))
			return;		// bad url!
		char * dest = bindata.Alloc(l = strlen(src));
		int lgth = b64_decode(src, l, dest, l);
		printPane.RenderHeaderIfMapped( 0 );
		fRequest.Write( dest, lgth );
		return;						// got it, wrote it, done
	}

	//
	// Request file text at head rev unless we have revision argument.
	
	const StrPtr *rev1 = fRequest.GetStateArg( "rev1" );
	const StrPtr *rev1Dyn = fRequest.GetDynArg( "rev1" );
	const StrPtr *srev = fRequest.GetDynArg( "sr" );
	const StrPtr *srevState = fRequest.GetStateArg( "sr" );
	
	//
	// If both dynamic & state parameters for sr are set, dynamic
	// wins...set srev to winner
	
	if( !srev && srevState )
		srev = srevState;
	
	if( rev1Dyn )
		rev1 = rev1Dyn;
	
	// get the path
	StrBuf path;
		
	path.Set( fRequest.GetPath() );
	char *p = path.Text();
	if (*p == '\\')	// is the path trashed?
	{
		do			// replace all \ with /
		{
			*p++ = '/';
			p = strchr(p, '\\');
		}
		while (p);
		p = path.Text();
		if (*(p+1) != '/')	// only one / at beginning?
		{
			StrBuf temp;
			temp.Set( path );
			path.Clear();
			path << "/" << temp;
		}
	}

	// run p4 fstat -Oae -A thumb on this file#rev or file@chgnbr
	if( rev1 && strcmp("0", rev1->Text()) ) {
		path << "#" << rev1;
	} else if( srev ) {
		path << "@" << srev;
	}

	char *cmd;
	StrBuf errorMsg;
	Error e;

	fRequest.p4Arg( "-Oae" );
	fRequest.p4Arg( "-A" );
	fRequest.p4Arg( "thumb" );
	fRequest.p4Arg( path.Text() );
	
	fRequest.p4( "fstat", 0, 0, &printPane );

	if( p4debug.GetLevel( DT_NET ) >= 2 ) 
		printf("Re-getting thumbnail: p4 fstat -Oae -A thumb %s\n", path.Text());
	fRequest.p4Wait();
}