script.js

Thinking in C, 全世界非常有名的学习C语言的书籍。本源代码含有该书每一章节的习题的解答方案的源代码。

function LoadSld( slideId )
{
	if( !g_supportsPPTHTML ) return
	if( slideId )
		parent.SldUpdated(slideId)
	g_origSz=parseInt(SlideObj.style.fontSize)
	g_origH=SlideObj.style.posHeight
	g_origW=SlideObj.style.posWidth
	g_scaleHyperlinks=(document.all.tags("AREA").length>0)
	if( g_scaleHyperlinks )
		InitHLinkArray()
	if( g_scaleInFrame||(IsWin("PPTSld") && parent.IsFullScrMode() ) )
		document.body.scroll="no"
	_RSW()
	if( IsWin("PPTSld") && parent.IsFullScrMode() )	{
		document.oncontextmenu=parent._CM;
		self.focus()
	}
}
function MakeSldVis( fTrans ) 
{
	fTrans=fTrans && g_showAnimation
	if( fTrans )
	{
		if( g_bgSound ) {
			idx=g_bgSound.indexOf(",");
			pptSound.src=g_bgSound.substr( 0, idx );
			pptSound.loop= -(parseInt(g_bgSound.substr(idx+1)));
		}
		SlideObj.filters.revealtrans.Apply()
	}
	SlideObj.style.visibility="visible"
	if( fTrans )
		SlideObj.filters.revealtrans.Play()
}
function MakeNotesVis() 
{
	if( !IsNts() ) return false 
	SlideObj.style.display="none"
	nObj = document.all.item("NotesObj")
	parent.SetHasNts(0)
	if( nObj ) { 
		nObj.style.display=""
		parent.SetHasNts(1)
	}
	return 1
}
function Redirect( frmId,sId )
{
	var str=document.location.hash,idx=str.indexOf('#')
	if(idx>=0) str=str.substr(1);
	if( window.name != frmId && ( sId != str) ) {
		obj = document.all.item("Main-File")
		window.location.href=obj.href+"#"+sId
		return 1
	}
	return 0
}
function HideMenu() { if( frames["PPTSld"] && PPTSld.document.all.item("ctxtmenu") && PPTSld.ctxtmenu.style.display!="none" ) { PPTSld.ctxtmenu.style.display='none'; return true } return false }
function IsWin( name ) { return window.name == name }
function IsNts() { return IsWin("PPTNts") }
function IsSldOrNts() { return( IsWin("PPTSld")||IsWin("PPTNts") ) }
function SupportsPPTAnimation() { return( navigator.platform == "Win32" && navigator.appVersion.indexOf("Windows")>0 ) }
function SupportsPPTHTML()
{
	var appVer=navigator.appVersion, msie=appVer.indexOf("MSIE "), ver=0
	if( msie >= 0 )
		ver=parseFloat( appVer.substring( msie+5, appVer.indexOf(";",msie) ) )
	else
		ver=parseInt(appVer)

	return( ver >= 4 && msie >= 0 )
}
var MHTMLPrefix = CalculateMHTMLPrefix(); 
function CalculateMHTMLPrefix()
{
	if ( document.location.protocol == 'mhtml:') { 
		href=new String(document.location.href) 
		Start=href.indexOf('!')+1 
		End=href.lastIndexOf('/')+1 
		if (End < Start) 
			return href.substring(0, Start) 
		else 
		return href.substring(0, End) 
	}
	return '';
}

function _RSW()
{
	if( !g_supportsPPTHTML || IsNts() ||
	  ( !g_scaleInFrame && (( window.name != "PPTSld" ) || !parent.IsFullScrMode()) ) )
		return

	cltWidth=document.body.clientWidth
	cltHeight=document.body.clientHeight
	factor=(1.0*cltWidth)/g_origW
	if( cltHeight < g_origH*factor )
		factor=(1.0*cltHeight)/g_origH

	newSize = g_origSz * factor
	if( newSize < 1 ) newSize=1

	s=SlideObj.style
	s.fontSize=newSize+"px"
	s.posWidth=g_origW*factor
	s.posHeight=g_origH*factor
	s.posLeft=(cltWidth-s.posWidth)/2
	s.posTop=(cltHeight-s.posHeight)/2

	if( g_scaleHyperlinks )
		ScaleHyperlinks( factor )
}

function _KPH()
{ 
  if( IsNts() ) return;

  if( !parent.IsFramesMode() && event.keyCode == 27 && !parent.HideMenu() )
    parent.window.close( self );
  else if( event.keyCode == 32 )
  {
    if( window.name == "PPTSld" )
      parent.PPTSld.DocumentOnClick();
    else
      parent.GoToNextSld();
  }
}

var g_HLinkArray = new Array();
 
function IMapAreaObj( areaObj, coords )
{
  this.areaObj = areaObj;
  this.coords = coords;
}

function InitHLinkArray()
{
  var appVer = navigator.appVersion;
  var msie = appVer.indexOf ( "MSIE " )
  var ver = 0;
  if ( msie >= 0 )
    ver = parseInt ( appVer.substring( msie+5 ) );

  linkNum = 0;

  for (i=0; i<document.all.tags("AREA").length; i++) {
    areaObj = document.all.tags("AREA").item(i);
    if( ( areaObj.id != "pptxscale" ) || ( ver > 4 ) )
      g_HLinkArray[linkNum++] = new IMapAreaObj( areaObj, ParseCoords( areaObj.coords ) );
  }
}

function ScaleHyperlinks( factor )
{   
  for ( ii=0; ii< g_HLinkArray.length; ii++) {
    coordsStr="";
    imaObj = g_HLinkArray[ii];
    for ( jj=0; jj < imaObj.coords.length-1; jj++ )
  	  coordsStr += (imaObj.coords[jj]*factor) + ",";
    coordsStr += (imaObj.coords[jj]*factor);
    imaObj.areaObj.coords = coordsStr;
  }
}

function ParseCoords( coordsStr )
{
  var numArray = new Array();
  var i = curPos = commaPos = 0;

  while ( ( commaPos = coordsStr.indexOf(",", curPos) ) != -1 ) { 
    numArray[i++] = parseInt( coordsStr.substr( curPos, commaPos ) );
    curPos = commaPos + 1;
  }
  numArray[i] = parseInt( coordsStr.substr( curPos ) );

  return numArray;
}


function PlaySound( href, loop ){
	href= unescape(href);
	if( window.event ) window.event.cancelBubble = true;
	pptSound.src = href;
	pptSound.loop = loop ? -1 : 0;
}

function DocumentOnClick()
{
	if( IsNts() || parent.HideMenu() ) return;
	if( ( g_allowAdvOnClick && !parent.IsFramesMode() ) ||
	    (event && (event.keyCode==32) ) )
		parent.GoToNextSld();
}



var g_supportsPPTHTML = SupportsPPTHTML(), g_scaleInFrame = true, gId="", g_bgSound="",
    g_scaleHyperlinks = false, g_allowAdvOnClick = true, g_showInBrowser = false;
var g_showAnimation = g_supportsPPTHTML && SupportsPPTAnimation() && ( (window.name=="PPTSld" && !parent.IsFramesMode()) || g_showInBrowser );var g_hasTrans = false, g_autoTrans = false, g_transSecs = 0;
var g_animManager = null;

var ENDSHOW_MESG="End of slide show, click to exit.", SCREEN_MODE="Frames", gIsEndShow=0, NUM_VIS_SLDS=5, SCRIPT_HREF="script.js", FULLSCR_HREF="fullscreen.htm";
var gCurSld = gPrevSld = 1, g_offset = 0, gNtsOpen = gHasNts = gOtlTxtExp = gNarrationPaused = false, gOtlOpen = true
window.gPPTHTML=SupportsPPTHTML()

function UpdNtsPane(){ PPTNts.location.replace( MHTMLPrefix+GetHrefObj( gCurSld ).mNtsHref ) }
function UpdNavPane( sldIndex ){ if(gNavLoaded) PPTNav.UpdNav() }
function UpdOtNavPane(){ if(gOtlNavLoaded) PPTOtlNav.UpdOtlNav() }
function UpdOtlPane(){ if(gOtlLoaded) PPTOtl.UpdOtl() }
function SetHasNts( fVal )
{
	if( gHasNts != fVal ) {
		gHasNts=fVal
		UpdNavPane()
	}
}
function ToggleOtlText()
{
	gOtlTxtExp=!gOtlTxtExp
	UpdOtlPane()
}
function ToggleOtlPane()
{
	frmset=document.all("PPTHorizAdjust")
	frm=document.all("PPTOtl")

	if( gOtlOpen )
		frmset.cols="*,100%"
	else
		frmset.cols="20%,80%"

	gOtlOpen=!gOtlOpen
	frm.noResize=!frm.noResize
	UpdOtNavPane()
}
function ToggleNtsPane()
{
	frmset=document.all("PPTVertAdjust")
	frm=document.all("PPTNts")

	if( gNtsOpen )
		frmset.rows="100%,*"
	else
		frmset.rows="80%,20%"

	gNtsOpen=!gNtsOpen
	UpdNtsPane()
}
function FullScreen(){ window.open( MHTMLPrefix+FULLSCR_HREF,null,"fullscreen=yes" ) }
function ToggleVNarration()
{
	rObj=PPTSld.document.all("NSPlay")
	if( rObj ) {
		if( gNarrationPaused )
			rObj.Play()
		else
			rObj.Pause()

		gNarrationPaused=!gNarrationPaused
	}
}
function GetCurSldNum()
{   
	obj=GetHrefObj(gCurSld)
	if( obj.mOrigVis == 1 )
		return obj.mSldIdx
	else   
		return gCurSld
}
function GetNumSlds()
{   
	if( GetHrefObj(gCurSld).mOrigVis == 1 )
		return NUM_VIS_SLDS
	else
		return gDocTable.length
}
function GetSldNum( href )
{
	for(ii=0; ii<gDocTable.length; ii++) {
		if ( gDocTable[ii].mSldHref == href )
			return ii+1
	}
	return 1
}
function GetHrefObj( sldIdx ){ return gDocTable[sldIdx-1] }
function IsFramesMode(){ return ( SCREEN_MODE == "Frames" ) }
function IsFullScrMode(){ return ( SCREEN_MODE == "FullScreen" ) }
function GoToNextSld()
{   
	ii=gCurSld + 1
	if( GetHrefObj( ii-1 ).mOrigVis == 0 ) {
		if( ii<=gDocTable.length ) {
			obj=GetHrefObj(ii)
			obj.mVis=1
			GoToSld(obj.mSldHref)
			return
		}		
	}
	else {
		obj=GetHrefObj( ii )
		while ( obj && ( obj.mOrigVis == 0 ) )
			obj=GetHrefObj(ii++)
		if( obj && obj.mOrigVis ) {
			GoToSld(obj.mSldHref)	
			return
		}	
	}
	if( !IsFramesMode() ) EndShow()
}
function GoToPrevSld()
{
	ii=gCurSld-1
	if( ii > 0 ) {      
		obj=GetHrefObj(ii)
		while ( ( obj.mVis == 0 ) && ( ii>0 ) )
			obj=GetHrefObj(ii--)
		GoToSld(obj.mSldHref)
	}
}
function GoToFirst(){ GoToSld( GetHrefObj(1).mSldHref ) }
function GoToLast()
{
	ii=gDocTable.length
	if( ii != gCurSld )
		GoToSld( GetHrefObj(ii).mSldHref )
}
function GoToSld( href )
{
	if( PPTSld.event ) PPTSld.event.cancelBubble=true
	GetHrefObj( GetSldNum(href) ).mVis=1
	PPTSld.location.href=MHTMLPrefix+href
}
function SldUpdated( id )
{