lib/xap.c File Reference

#include "common.h"
#include "xap.h"
#include "errabort.h"
#include "xp.h"

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Functions
void	xapError (struct xap *xap, char *format,...)
static void	xapStartTag (void *userData, char *name, char **atts)
static void	xapEndTag (void *userData, char *name, char *text)
static int	xapRead (void *userData, char *buf, int bufSize)
xap *	xapNew (void *(*startHandler)(struct xap *xap, char *name, char **atts), void(*endHandler)(struct xap *xap, char *name), char *fileName)
void	xapFree (struct xap **pXp)
void	xapParseFile (struct xap *xap, char *fileName)
void	xapIndent (int count, FILE *f)
void	xapSkip (struct xap *xap)
void	xapParseAny (char *fileName, char *type, void *(*startHandler)(struct xap *xap, char *name, char **atts), void(*endHandler)(struct xap *xap, char *name), char **retType, void *retObj)
xap *	xapOpen (char *fileName, void *(*startHandler)(struct xap *xap, char *name, char **atts), void(*endHandler)(struct xap *xap, char *name))
void *	xapNext (struct xap *xap, char *tag)
Variables
static char const	rcsid [] = "$Id: xap.c,v 1.11 2005/12/19 05:18:26 kent Exp $"

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Function Documentation

static void xapEndTag	(	void *	userData,
		char *	name,
		char *	text
	)			[static]

Definition at line 48 of file xap.c.

References dyStringAppend(), dyStringClear, xap::endHandler, xap::endStack, xap::skipDepth, xap::stack, xap::stackDepth, xapStack::text, and xapError().

Referenced by xapNew().

{
struct xap *xap = userData;
struct xapStack *stack;

dyStringAppend(xap->stack->text, text);
if (xap->skipDepth == 0 || xap->skipDepth <= xap->stackDepth)
    {
    xap->skipDepth = 0;
    if (xap->endHandler)
        xap->endHandler(xap, (char*)name);
    }
stack = xap->stack++;
if (xap->stack > xap->endStack)
    xapError(xap, "xap stack underflow");
--xap->stackDepth;
dyStringClear(stack->text);
}

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void xapError	(	struct xap *	xap,
		char *	format,
			...
	)

Definition at line 15 of file xap.c.

References errAbort(), xap::fileName, vaWarn(), xap::xp, and xpLineIx().

Referenced by xapEndTag(), xapParseAny(), and xapStartTag().

{
va_list args;
va_start(args, format);
vaWarn(format, args);
errAbort("line %d of %s", xpLineIx(xap->xp), xap->fileName);
va_end(args);
}

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void xapFree

(

struct xap **

pXp

)

Definition at line 99 of file xap.c.

References xap::fileName, freeDyString(), freeMem(), freez(), xap::stackBuf, xapStack::text, xap::topType, xap::xp, and xpFree().

Referenced by xapParseAny().

{
struct xap *xap = *pXp;
if (xap != NULL)
    {
    struct xapStack *stack;
    for (stack = xap->stackBuf; stack < xap->endStack; ++stack)
        {
        if (stack->text != NULL)
           freeDyString(&stack->text);
        }
    xpFree(&xap->xp);
    freeMem(xap->fileName);
    freeMem(xap->topType);
    freez(pXp);
    }
}

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void xapIndent	(	int	count,
		FILE *	f
	)

Definition at line 126 of file xap.c.

{
int i;
for (i=0; i<count; ++i)
    {
    fputc(' ', f);
    }
}

struct xap* xapNew	(	void *(*)(struct xap *xap, char *name, char **atts)	startHandler,
		void(*)(struct xap *xap, char *name)	endHandler,
		char *	fileName
	)			[read]

Definition at line 85 of file xap.c.

References AllocVar, ArraySize, cloneString(), xap::endHandler, xap::endStack, xap::fileName, xap::stack, xap::stackBuf, xap::startHandler, xapEndTag(), xapRead(), xapStartTag(), xap::xp, and xpNew().

Referenced by xapOpen(), and xapParseAny().

{
struct xap *xap;
AllocVar(xap);
xap->endStack = xap->stack = xap->stackBuf + ArraySize(xap->stackBuf) - 1;
xap->startHandler = startHandler;
xap->endHandler = endHandler;
xap->xp = xpNew(xap, xapStartTag, xapEndTag, xapRead, fileName);
xap->fileName = cloneString(fileName);
return xap;
}

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void* xapNext	(	struct xap *	xap,
		char *	tag
	)

Definition at line 174 of file xap.c.

References errAbort(), sameString, xap::topObject, xap::topType, xap::xp, and xpParseNext().

{
if (!xpParseNext(xap->xp, tag))
    return NULL;
if (!sameString(xap->topType, tag))
    errAbort("Expecting %s tag, got %s tag", tag, xap->topType);
return xap->topObject;
}

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struct xap* xapOpen	(	char *	fileName,
		void *(*)(struct xap *xap, char *name, char **atts)	startHandler,
		void(*)(struct xap *xap, char *name)	endHandler
	)			[read]

Definition at line 162 of file xap.c.

References xap::f, mustOpen(), and xapNew().

{
struct xap *xap = xapNew(startHandler, endHandler, fileName);
xap->f =  mustOpen(fileName, "r");
return xap;
}

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void xapParseAny	(	char *	fileName,
		char *	type,
		void *(*)(struct xap *xap, char *name, char **atts)	startHandler,
		void(*)(struct xap *xap, char *name)	endHandler,
		char **	retType,
		void *	retObj
	)

Definition at line 142 of file xap.c.

References cloneString(), sameString, xap::topType, xapError(), xapFree(), xapNew(), and xapParseFile().

          :
 *     xapParseAny("file.xml", "das", dasStartHandler, dasEndHandler, &type, &obj); */
{
struct xap *xap = xapNew(startHandler, endHandler, fileName);
void **pObj = retObj;
xapParseFile(xap, fileName);
if (type != NULL && !sameString(xap->topType, type))
    xapError(xap, "Got %s, expected %s\n", xap->topType, type);
if (retType != NULL)
    *retType = cloneString(xap->topType);
*pObj = xap->topObject;
xapFree(&xap);
}

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void xapParseFile	(	struct xap *	xap,
		char *	fileName
	)

Definition at line 118 of file xap.c.

References carefulClose(), xap::f, mustOpen(), xap::xp, and xpParse().

Referenced by xapParseAny().

{
xap->f = mustOpen(fileName, "r");
xpParse(xap->xp);
carefulClose(&xap->f);
}

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static int xapRead	(	void *	userData,
		char *	buf,
		int	bufSize
	)			[static]

Definition at line 78 of file xap.c.

References xap::f.

Referenced by xapNew().

{
struct xap *xap = userData;
return fread(buf, 1, bufSize, xap->f);
}

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void xapSkip

(

struct xap *

xap

)

Definition at line 136 of file xap.c.

References xap::skipDepth, and xap::stackDepth.

{
xap->skipDepth = xap->stackDepth;
}

static void xapStartTag	(	void *	userData,
		char *	name,
		char **	atts
	)			[static]

Definition at line 25 of file xap.c.

References cloneString(), xapStack::elName, freeMem(), newDyString(), xapStack::object, xap::stack, xapStack::text, and xapError().

Referenced by xapNew().

{
struct xap *xap = userData;
struct xapStack *stack;

stack = --xap->stack;
if (stack < xap->stackBuf)
    xapError(xap, "xap stack overflow");
++xap->stackDepth;
if (stack->text == NULL)
    stack->text = newDyString(256);
stack->elName = (char*)name;
if (xap->skipDepth == 0)
    stack->object = xap->startHandler(xap, (char*)name, (char**)atts);
if (xap->stackDepth == 1)
    {
    freeMem(xap->topType);
    xap->topType = cloneString(stack->elName);
    xap->topObject = stack->object;
    }
}

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Variable Documentation

char const rcsid[] = "$Id: xap.c,v 1.11 2005/12/19 05:18:26 kent Exp $" [static]

Definition at line 13 of file xap.c.

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