1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
|
/*****
* runstring.in
*
* Runtime functions for string operations.
*
*****/
stringarray2* => stringArray2()
#include <cfloat>
#include <cstring>
#include <algorithm>
#include "array.h"
using namespace camp;
using namespace vm;
using namespace settings;
typedef array stringarray;
typedef array stringarray2;
using types::stringArray;
using types::stringArray2;
namespace types {
extern const char *names[];
}
namespace run {
extern string emptystring;
}
static const string defaulttimeformat=string("%a %b %d %T %Z %Y");
#ifdef HAVE_STRFTIME
static const size_t nTime=256;
static char Time[nTime];
#endif
void checkformat(const char *ptr, bool intformat)
{
while(*ptr != '\0') {
if(*ptr != '%') /* While we have regular characters, print them. */
ptr++;
else { /* We've got a format specifier. */
ptr++;
while(*ptr && strchr ("-+ #0'I", *ptr)) /* Move past flags. */
ptr++;
if(*ptr == '*')
ptr++;
else while(isdigit(*ptr)) /* Handle explicit numeric value. */
ptr++;
if(*ptr == '.') {
ptr++; /* Go past the period. */
if(*ptr == '*') {
ptr++;
} else
while(isdigit(*ptr)) /* Handle explicit numeric value. */
ptr++;
}
while(*ptr && strchr ("hlL", *ptr))
ptr++;
if(*ptr == '%') {++ptr; continue;}
else if(*ptr != '\0') {
if(intformat) {
switch(*ptr) {
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'c':
break;
default:
ostringstream buf;
buf << "Invalid format '" << *ptr << "' for type "
<< types::names[types::ty_Int];
error(buf);
break;
}
} else {
switch(*ptr) {
case 'f':
case 'F':
case 'e':
case 'E':
case 'g':
case 'G':
break;
default:
ostringstream buf;
buf << "Invalid format '" << *ptr << "' for type "
<< types::names[types::ty_real];
error(buf);
break;
}
}
}
break; // Only one argument is allowed.
} /* End of else statement */
}
}
// Autogenerated routines:
// String operations
string :emptyString()
{
return emptystring;
}
Int length(string *s)
{
return (Int) s->length();
}
Int find(string *s, string t, Int pos=0)
{
size_t n=s->find(t,pos);
return n == string::npos ? (Int) -1 : (Int) n;
}
Int rfind(string *s, string t, Int pos=-1)
{
size_t n=s->rfind(t,pos);
return n == string::npos ? (Int) -1 : (Int) n;
}
string reverse(string s)
{
reverse(s.begin(),s.end());
return s;
}
string insert(string s, Int pos, string t)
{
if ((size_t) pos < s.length())
return s.insert(pos,t);
return s;
}
string substr(string* s, Int pos, Int n=-1)
{
if ((size_t) pos < s->length())
return s->substr(pos,n);
return emptystring;
}
string erase(string s, Int pos, Int n)
{
if ((size_t) pos < s.length())
return s.erase(pos,n);
return s;
}
string downcase(string s)
{
std::transform(s.begin(),s.end(),s.begin(),tolower);
return s;
}
string upcase(string s)
{
std::transform(s.begin(),s.end(),s.begin(),toupper);
return s;
}
// returns a string constructed by translating all occurrences of the string
// from in an array of string pairs {from,to} to the string to in string s.
string replace(string *S, stringarray2 *translate)
{
size_t size=checkArray(translate);
for(size_t i=0; i < size; i++) {
array *a=read<array*>(translate,i);
checkArray(a);
}
size_t pos=0;
ostringstream buf;
size_t Len=S->length();
while(pos < Len) {
for(size_t i=0; i < size;) {
array *a=read<array*>(translate,i);
size_t size2=checkArray(a);
if(size2 != 2)
error("translation table entry must be an array of length 2");
string* from=read<string*>(a,0);
size_t len=from->length();
if(len == 0 || S->compare(pos,len,*from,0,len) != 0) {i++; continue;}
buf << read<string>(a,1);
pos += len;
if(pos == Len) return buf.str();
i=0;
}
buf << S->substr(pos,1);
++pos;
}
return buf.str();
}
string format(string *format, Int x, string locale=emptystring)
{
ostringstream out;
const char *p0=format->c_str();
checkformat(p0,true);
const char *p=p0;
const char *start=NULL;
while(*p != 0) {
char curr=*p;
if(curr == '%') {
p++;
if(*p != '%') {start=p-1; break;}
}
out << *(p++);
}
if(!start) return out.str();
// Allow at most 1 argument
while(*p != 0) {
if(*p == '*' || *p == '$') return out.str();
if(isupper(*p) || islower(*p)) {p++; break;}
p++;
}
string f=format->substr(start-p0,p-start);
f.insert(p-start-1,"ll");
const char *oldlocale=NULL;
if(!locale.empty()) {
oldlocale=setlocale(LC_ALL,NULL);
if(oldlocale) oldlocale=StrdupNoGC(oldlocale);
setlocale(LC_ALL,locale.c_str());
}
Int size=snprintf(NULL,0,f.c_str(),x)+1;
if(size < 1) size=255; // Workaround for non-C99 compliant systems.
char *buf=new char[size];
snprintf(buf,size,f.c_str(),x);
out << string(buf);
out << p;
delete[] buf;
if(oldlocale) {
setlocale(LC_ALL,oldlocale);
delete[] oldlocale;
}
return out.str();
}
string format(string *format, bool forcemath=false, string separator, real x,
string locale=emptystring)
{
if(*format == "%") return ""; // Temporary workaround for github Issue #29.
bool tex=getSetting<string>("tex") != "none";
bool texify=forcemath;
ostringstream out;
const char *p0=format->c_str();
checkformat(p0,false);
const char *phantom="\\phantom{+}";
const char *p=p0;
const char *start=NULL;
char prev=0;
while(*p != 0) {
char curr=*p;
if(tex && curr == '$' && prev != '\\') texify=true;
prev=curr;
if(curr == '%') {
p++;
if(*p != '%') {start=p-1; break;}
}
out << *(p++);
}
if(!start) return out.str();
// Allow at most 1 argument
while(*p != 0) {
if(*p == '*' || *p == '$') return out.str();
if(isupper(*p) || islower(*p)) {p++; break;}
p++;
}
const char *tail=p;
string f=format->substr(start-p0,tail-start);
const char *oldlocale=NULL;
if(!locale.empty()) {
oldlocale=setlocale(LC_ALL,NULL);
if(oldlocale) oldlocale=StrdupNoGC(oldlocale);
setlocale(LC_ALL,locale.c_str());
}
Int size=snprintf(NULL,0,f.c_str(),x)+1;
if(size < 1) size=255; // Workaround for non-C99 compliant systems.
char *buf=new char[size];
snprintf(buf,size,f.c_str(),x);
bool trailingzero=f.find("#") < string::npos;
bool plus=f.find("+") < string::npos;
bool space=f.find(" ") < string::npos;
char *q=buf; // beginning of formatted number
if(*q == ' ' && texify) {
out << phantom;
q++;
}
const char decimal=*(localeconv()->decimal_point);
// Remove any spurious sign
if(*q == '-' || *q == '+') {
p=q+1;
bool zero=true;
while(*p != 0) {
if(!isdigit(*p) && *p != decimal) break;
if(isdigit(*p) && *p != '0') {zero=false; break;}
p++;
}
if(zero) {
q++;
if((plus || space) && texify) out << phantom;
}
}
const char *r=p=q;
bool dp=false;
while(*r != 0 && (isspace(*r) || isdigit(*r) || *r == decimal \
|| *r == '+' || *r == '-')) {
if(*r == decimal) dp=true;
r++;
}
if(dp) { // Remove trailing zeros and/or decimal point
r--;
unsigned n=0;
while(r > q && *r == '0') {r--; n++;}
if(*r == decimal) {r--; n++;}
while(q <= r) out << *(q++);
if(!trailingzero) q += n;
}
bool zero=(r == p && *r == '0') && !trailingzero;
// Translate "E+/E-/e+/e-" exponential notation to TeX
while(*q != 0) {
if(texify && (*q == 'E' || *q == 'e') &&
(*(q+1) == '+' || *(q+1) == '-')) {
if(!zero) out << separator << "10^{";
bool plus=(*(q+1) == '+');
q++;
if(plus) q++;
if(*q == '-') out << *(q++);
while(*q == '0' && (zero || isdigit(*(q+1)))) q++;
while(isdigit(*q)) out << *(q++);
if(!zero)
out << "}";
break;
}
out << *(q++);
}
while(*tail != 0)
out << *(tail++);
delete[] buf;
if(oldlocale) {
setlocale(LC_ALL,oldlocale);
delete[] oldlocale;
}
return out.str();
}
Int hex(string s)
{
istringstream is(s);
is.setf(std::ios::hex,std::ios::basefield);
Int value;
if(is && is >> value && ((is >> std::ws).eof())) return value;
ostringstream buf;
buf << "invalid hexadecimal cast from string \"" << s << "\"";
error(buf);
}
Int ascii(string s)
{
return s.empty() ? -1 : (unsigned char) s[0];
}
string string(Int x)
{
ostringstream buf;
buf << x;
return buf.str();
}
string string(real x, Int digits=DBL_DIG)
{
ostringstream buf;
buf.precision(digits);
buf << x;
return buf.str();
}
string time(string format=defaulttimeformat)
{
#ifdef HAVE_STRFTIME
const time_t bintime=time(NULL);
if(!strftime(Time,nTime,format.c_str(),localtime(&bintime))) return "";
return Time;
#else
return format;
#endif
}
string time(Int seconds, string format=defaulttimeformat)
{
#ifdef HAVE_STRFTIME
const time_t bintime=seconds;
if(!strftime(Time,nTime,format.c_str(),localtime(&bintime))) return "";
return Time;
#else
// Avoid unused variable warning messages
unused(&seconds);
return format;
#endif
}
Int seconds(string t=emptystring, string format=emptystring)
{
#if defined(HAVE_STRPTIME)
const time_t bintime=time(NULL);
tm tm=*localtime(&bintime);
if(t != "" && !strptime(t.c_str(),format.c_str(),&tm)) return -1;
return (Int) mktime(&tm);
#else
return -1;
#endif
}
|