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root/cvsroot/UserCode/GPetrucc/interface/fwlite/Scanner.h

Comparing UserCode/GPetrucc/interface/fwlite/Scanner.h (file contents):
Revision 1.4 by gpetrucc, Sun Jan 31 10:20:21 2010 UTC vs.
Revision 1.10 by gpetrucc, Wed Feb 24 11:50:12 2010 UTC

#	Line 5 | Line 5
5		#include <TString.h>
6		#include <TObjString.h>
7		#include <TObjArray.h>
8	+	#include <TDirectory.h>
9		#include <TEnv.h>
10	+	#include <TClass.h>
11
12		#if !defined(__CINT__) && !defined(__MAKECINT__)
13		#include "UserCode/GPetrucc/interface/fwliteHelpers.h"
14		#else
15	+	#ifndef UserCode_GPetrucc_CINT_load_library
16	+	#define UserCode_GPetrucc_CINT_load_library
17		// load the library that contains the dictionaries
18		int _load_UserCodeGPetrucc = gSystem->Load("libUserCodeGPetrucc.so");
19		#endif
20	+	#endif
21	+
22	+	#include "UserCode/GPetrucc/interface/fwlite/EventSelectors.h"
23
24		namespace fwlite {
25		template<typename T>
#	Line 20 | Line 27 | namespace fwlite {
27		public:
28		typedef fwlite::Handle<std::vector<T> > HandleT;
29		Scanner(fwlite::EventBase *ev, const char *label, const char *instance = "", const char *process="")  :
23	–	//helper::ScannerBase(Reflex::Type::ByTypeInfo(typeid(T))),
30		event_(ev), label_(label), instance_(instance),
31		printFullEventId_(ev->isRealData()),
32	<	exprSep_(":")
32	>	ignoreExceptions_(false),
33	>	exprSep_(":"),
34	>	maxEntries_(-1),
35	>	maxLinesToPrint_(50)
36		{
37	<	Reflex::Type wrapperType = Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo());
38	<	objType = helpme.elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
37	>	objType = helper::Parser::elementType(Reflex::Type::ByTypeInfo(HandleT::TempWrapT::typeInfo()));
38	>	//eventSelectors_.SetOwner(); // better a few leaks for lazy users than a few crashes for unweary ones
39		}
40
41
42	<	void scan(const char *exprs, const char *cut="", int nmax=20) {
42	>	void scan(const char *exprs, const char *cut="", int nmax=-1) {
43		helper::ScannerBase scanner(objType);
44	+	scanner.setIgnoreExceptions(ignoreExceptions_);
45
46		TObjArray  *exprArray = TString(exprs).Tokenize(exprSep_);
47		int rowline = 0;
#	Line 43 | Line 53 | namespace fwlite {
53		rowline += 3+6+3+3-1;  // -1 as first char remain blank
54		}
55		for (int i = 0; i < exprArray->GetEntries(); ++i) {
56	<	const char *ex = ((TObjString *)(*exprArray)[i])->GetString();
57	<	scanner.addExpression(ex);
58	<	printf(" : %8s", (strlen(ex)>8 ? ex+strlen(ex)-8 : ex)); // the rightmost part is usually the more interesting one
56	>	TString str = ((TObjString *)(*exprArray)[i])->GetString();
57	>	std::string lb = str.Data();
58	>	std::string ex = str.Data();
59	>	if ((ex[0] == '@') && (ex.find('=') != std::string::npos)) {
60	>	lb = lb.substr(1,ex.find('=')-1);
61	>	ex = ex.substr(ex.find('=')+1);
62	>	}
63	>	scanner.addExpression(ex.c_str());
64	>	printf(" : %8s", (lb.size()>8 ? lb.substr(lb.size()-8) : lb).c_str()); // the rightmost part is usually the more interesting one
65		rowline += 3+8;
66		}
67		std::cout << " :" << std::endl;
#	Line 57 | Line 73 | namespace fwlite {
73
74		if (strlen(cut)) scanner.setCut(cut);
75
76	<	int iev = 0;
77	<	for (event_->toBegin(); (iev < nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
76	>	int iev = 0, line = 0;
77	>	for (event_->toBegin(); (iev != nmax) && !event_->atEnd(); ++iev, ++(*event_)) {
78	>	if (!selectEvent(*event_)) continue;
79		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
80	+	if (handle_.failedToGet()) {
81	+	if (ignoreExceptions_) continue;
82	+	}
83		const std::vector<T> & vals = *handle_;
84		for (size_t j = 0, n = vals.size(); j < n; ++j) {
85		if (!scanner.test(&vals[j])) continue;
#	Line 71 | Line 91 | namespace fwlite {
91		}
92		scanner.print(&vals[j]);
93		std::cout << " :" << std::endl;
94	+	if (++line == maxLinesToPrint_) {
95	+	line = 0;
96	+	if (!wantMore()) {
97	+	iev = nmax-1; // this is to exit the outer loop
98	+	break;        // and this to exit the inner one
99	+	}
100	+	}
101		}
102		}
103		std::cout << std::endl;
104		}
105	+
106	+	size_t count(const char *cut) {
107	+	helper::ScannerBase scanner(objType);
108	+	scanner.setIgnoreExceptions(ignoreExceptions_);
109
110	+	scanner.setCut(cut);
111	+
112	+	size_t npass = 0;
113	+	int iev = 0;
114	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_), ++iev) {
115	+	if (maxEntries_ > -1 && iev > maxEntries_) break;
116	+	if (!selectEvent(*event_)) continue;
117	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
118	+	const std::vector<T> & vals = *handle_;
119	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
120	+	if (scanner.test(&vals[j])) npass++;
121	+	}
122	+	}
123
124	+	return npass;
125	+	}
126	+
127		TH1 * draw(const char *expr, const char *cut = "", TString drawopt = "", TH1 *hist = 0) {
128		// prep the machinery
129		helper::ScannerBase scanner(objType);
130	<	scanner.addExpression(expr);
130	>	scanner.setIgnoreExceptions(ignoreExceptions_);
131	>	if (!scanner.addExpression(expr)) return 0;
132		if (strlen(cut)) scanner.setCut(cut);
133
134		// make histo, if needed
135		if (hist == 0) {
136	<	hist = new TH1F("htemp",
137	<	(strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)),
138	<	gEnv->GetValue("Hist.Binning.1D.x",100), 0, 0);
139	<	hist->SetBit(TH1::kCanRebin);
136	>	if (TString(drawopt).Contains("same",TString::kIgnoreCase) &&
137	>	gDirectory && gDirectory->Get("htemp") != 0 &&
138	>	gDirectory->Get("htemp")->IsA()->InheritsFrom(TH1::Class())) {
139	>	hist = (TH1*) gDirectory->Get("htemp")->Clone();
140	>	hist->Reset();
141	>	} else {
142	>	htempDelete();
143	>	hist = new TH1F("htemp",
144	>	(strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)),
145	>	gEnv->GetValue("Hist.Binning.1D.x",100), 0, 0);
146	>	hist->SetBit(TH1::kCanRebin);
147	>	}
148		}
149
150		// fill histogram
151	<	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
151	>	int iev = 0;
152	>	for (event_->toBegin(); !event_->atEnd(); ++(*event_), ++iev) {
153	>	if (maxEntries_ > -1 && iev > maxEntries_) break;
154	>	if (!selectEvent(*event_)) continue;
155		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
156		const std::vector<T> & vals = *handle_;
157		for (size_t j = 0, n = vals.size(); j < n; ++j) {
#	Line 104 | Line 163 | namespace fwlite {
163		return hist;
164		}
165		TH1 * draw(const char *expr, int bins, double xlow, double xhigh, const char *cut = "", const char *drawopt = "") {
166	+	htempDelete();
167		TH1 * htemp = new TH1F("htemp", (strlen(cut) ? TString(expr)+"{"+cut+"}" : TString(expr)), bins, xlow, xhigh);
168		return draw(expr,cut,drawopt,htemp);
169		}
#	Line 111 | Line 171 | namespace fwlite {
171		TProfile * drawProf(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TProfile *hist = 0) {
172		// prep the machinery
173		helper::ScannerBase scanner(objType);
174	<	scanner.addExpression(xexpr);
175	<	scanner.addExpression(yexpr);
174	>	scanner.setIgnoreExceptions(ignoreExceptions_);
175	>	if (!scanner.addExpression(xexpr.Data())) return 0;
176	>	if (!scanner.addExpression(yexpr.Data())) return 0;
177		if (strlen(cut)) scanner.setCut(cut);
178
179		// make histo, if needed
180		if (hist == 0) {
181	+	htempDelete();
182		hist = new TProfile("htemp",
183		(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
184		gEnv->GetValue("Hist.Binning.1D.x",100), 0., 0.);
#	Line 124 | Line 186 | namespace fwlite {
186		}
187
188		// fill histogram
189	<	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
189	>	int iev = 0;
190	>	for (event_->toBegin(); !event_->atEnd(); ++(*event_), ++iev) {
191	>	if (maxEntries_ > -1 && iev > maxEntries_) break;
192	>	if (!selectEvent(*event_)) continue;
193		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
194		const std::vector<T> & vals = *handle_;
195		for (size_t j = 0, n = vals.size(); j < n; ++j) {
#	Line 136 | Line 201 | namespace fwlite {
201		return hist;
202		}
203		TProfile * drawProf(TString xexpr, int bins, double xlow, double xhigh, TString yexpr, const char *cut = "", const char *drawopt = "") {
204	+	htempDelete();
205		TProfile * htemp = new TProfile("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr), bins, xlow, xhigh);
206		return drawProf(xexpr,yexpr,cut,drawopt,htemp);
207		}
#	Line 143 | Line 209 | namespace fwlite {
209		TH2 * draw2D(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "", TH2 *hist = 0) {
210		// prep the machinery
211		helper::ScannerBase scanner(objType);
212	<	scanner.addExpression(xexpr);
213	<	scanner.addExpression(yexpr);
212	>	scanner.setIgnoreExceptions(ignoreExceptions_);
213	>	if (!scanner.addExpression((const char *)xexpr)) return 0;
214	>	if (!scanner.addExpression((const char *)yexpr)) return 0;
215		if (strlen(cut)) scanner.setCut(cut);
216
217	+	int iev = 0;
218		// make histo, if needed
219		if (hist == 0) {
220	+	// ok this is much more a hack than for the 1D case
221	+	double xmin = 0, xmax = -1, ymin = 0, ymax = -1;
222	+	for (event_->toBegin(), iev = 0; !event_->atEnd(); ++(*event_), ++iev) {
223	+	if (maxEntries_ > -1 && iev > maxEntries_) break;
224	+	if (!selectEvent(*event_)) continue;
225	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
226	+	const std::vector<T> & vals = *handle_;
227	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
228	+	if (!scanner.test(&vals[j])) continue;
229	+	double x = scanner.eval(&vals[j],0);
230	+	double y = scanner.eval(&vals[j],1);
231	+	if ((xmax == -1) || (x >= xmax)) xmax = x;
232	+	if ((xmin ==  0) || (x <= xmin)) xmin = x;
233	+	if ((ymax == -1) || (y >= ymax)) ymax = y;
234	+	if ((ymin ==  0) || (y <= ymin)) ymin = y;
235	+	}
236	+	}
237	+	htempDelete();
238		hist = new TH2F("htemp",
239		(strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
240	<	gEnv->GetValue("Hist.Binning.2D.x",20), 0, 0,
241	<	gEnv->GetValue("Hist.Binning.2D.y",20), 0, 0);
156	<	hist->SetBit(TH1::kCanRebin);
240	>	gEnv->GetValue("Hist.Binning.2D.x",20), xmin, xmax,
241	>	gEnv->GetValue("Hist.Binning.2D.y",20), ymin, ymax);
242		}
243
244		// fill histogram
245	<	for (event_->toBegin(); !event_->atEnd(); ++(*event_)) {
245	>	for (event_->toBegin(), iev = 0; !event_->atEnd(); ++(*event_), ++iev) {
246	>	if (maxEntries_ > -1 && iev > maxEntries_) break;
247	>	if (!selectEvent(*event_)) continue;
248		handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
249		const std::vector<T> & vals = *handle_;
250		for (size_t j = 0, n = vals.size(); j < n; ++j) {
#	Line 173 | Line 260 | namespace fwlite {
260		TH2 * draw2D(TString xexpr, int xbins, double xlow, double xhigh,
261		TString yexpr, int ybins, double ylow, double yhigh,
262		const char *cut = "", const char *drawopt = "") {
263	+	htempDelete();
264		TH2 * htemp = new TH2F("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr),
265		xbins, xlow, xhigh, ybins,ylow,yhigh);
266		return draw2D(xexpr,yexpr,cut,drawopt,htemp);
267		}
268
269	+
270	+	TGraph * drawGraph(TString xexpr, TString yexpr, const char *cut = "", TString drawopt = "AP", TGraph *graph = 0) {
271	+	// prep the machinery
272	+	helper::ScannerBase scanner(objType);
273	+	scanner.setIgnoreExceptions(ignoreExceptions_);
274	+	if (!scanner.addExpression((const char *)xexpr)) return 0;
275	+	if (!scanner.addExpression((const char *)yexpr)) return 0;
276	+	if (strlen(cut)) scanner.setCut(cut);
277	+
278	+	// make graph, if needed
279	+	if (graph == 0) {
280	+	htempDelete();
281	+	graph = new TGraph();
282	+	graph->SetNameTitle("htemp", (strlen(cut) ? yexpr+":"+xexpr+"{"+cut+"}" : yexpr+":"+xexpr));
283	+	}
284	+
285	+	// fill graph
286	+	int iev = 0;
287	+	for (event_->toBegin(); !event_->atEnd(); ++(*event_), ++iev) {
288	+	if (maxEntries_ > -1 && iev > maxEntries_) break;
289	+	if (!selectEvent(*event_)) continue;
290	+	handle_.getByLabel(*event_, label_.c_str(), instance_.c_str(), process_.c_str());
291	+	const std::vector<T> & vals = *handle_;
292	+	for (size_t j = 0, n = vals.size(); j < n; ++j) {
293	+	scanner.fillGraph(&vals[j], graph);
294	+	}
295	+	}
296	+
297	+	if (!strlen(graph->GetXaxis()->GetTitle())) graph->GetXaxis()->SetTitle(xexpr);
298	+	if (!strlen(graph->GetYaxis()->GetTitle())) graph->GetYaxis()->SetTitle(yexpr);
299	+	if (!TString(drawopt).Contains("goff",TString::kIgnoreCase)) graph->Draw(drawopt);
300	+	return graph;
301	+	}
302	+
303		void setPrintFullEventId(bool printIt=true) { printFullEventId_ = printIt; }
304		void setExpressionSeparator(TString separator) { exprSep_ = separator; }
305	+	void setIgnoreExceptions(bool ignoreThem) { ignoreExceptions_ = ignoreThem; }
306	+	void setMaxLinesToPrint(int lines) { maxLinesToPrint_ = (lines > 0 ? lines : 2147483647); }
307	+
308	+	void addEventSelector(fwlite::EventSelector *selector) { eventSelectors_.Add(selector); }
309	+	void clearEventSelector() { eventSelectors_.Clear(); }
310	+	TObjArray & eventSelectors() { return eventSelectors_; }
311	+	bool selectEvent(const fwlite::EventBase &ev) const {
312	+	for (int i = 0, n = eventSelectors_.GetEntries(); i < n; ++i) {
313	+	if (!((fwlite::EventSelector *)(eventSelectors_[i]))->accept(ev)) return false;
314	+	}
315	+	return true;
316	+	}
317	+
318	+	void setMaxEntries(int max) { maxEntries_ = max; }
319		private:
320		fwlite::EventBase *event_;
321		std::string    label_, instance_, process_;
322		bool printFullEventId_;
323	+	bool ignoreExceptions_;
324		TString exprSep_;
325		HandleT        handle_;
189	–	helper::Parser helpme;
326		Reflex::Type   objType;
327
328	+	TObjArray eventSelectors_;
329	+
330	+	int maxEntries_;
331	+
332	+	int maxLinesToPrint_;
333	+	bool wantMore() const {
334	+	// ask if user wants more
335	+	fprintf(stderr,"Type <CR> to continue or q to quit ==> ");
336	+	// read first char
337	+	int readch = getchar(), answer = readch;
338	+	// poll out remaining chars from buffer
339	+	while (readch != '\n' && readch != EOF) readch = getchar();
340	+	// check first char
341	+	return !(answer == 'q' || answer == 'Q');
342	+	}
343	+
344	+	void htempDelete() {
345	+	if (gDirectory) {
346	+	TObject *obj = gDirectory->Get("htemp");
347	+	if (obj) obj->Delete();
348	+	}
349	+	}
350	+
351		};
352		}

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