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JLANG::JCppFacet Class Reference

Facet class to specify parsing of a C[++] variable name. More...

#include <JCppFacet.hh>

Inheritance diagram for JLANG::JCppFacet:
JLANG::JStringFacet

Public Types

typedef
std::istreambuf_iterator< char,
std::char_traits< char > > 		istreambuf_iterator
 
typedef
std::ostreambuf_iterator< char,
std::char_traits< char > > 		ostreambuf_iterator
 

Public Member Functions

 JCppFacet ()
 Constructor. More...
 
virtual JCppFacet * clone () const override
 Clone this facet. More...
 
istreambuf_iterator get (const istreambuf_iterator __begin, const istreambuf_iterator __end, const std::ios_base &format, std::ios_base::iostate &result, std::string &buffer) const
 Get string. More...
 
ostreambuf_iterator put (ostreambuf_iterator out, const std::ios_base &format, const char c, const std::string &buffer) const
 Put string. More...
 
std::istream & ignore (std::istream &in) const
 Ignore characters until next end of line. More...
 
std::istream & getline (std::istream &in, std::string &buffer) const
 Read characters until next end of line. More...
 

Static Public Member Functions

static bool is_eol (const char c)
 
static bool is_begin_single_line_comment (const char c1, const char c2)
 
static bool is_begin_multi_line_comment (const char c1, const char c2)
 
static bool is_end_single_line_comment (const char c1)
 
static bool is_end_multi_line_comment (const char c1, const char c2)
 
static int getIndex ()
 Get index for stream associated facet data. More...
 

Static Public Attributes

static std::locale::id id
 

Protected Member Functions

virtual istreambuf_iterator do_get (const istreambuf_iterator __begin, const istreambuf_iterator __end, const std::ios_base &format, std::ios_base::iostate &result, std::string &buffer) const
 Get string. More...
 
virtual ostreambuf_iterator do_put (ostreambuf_iterator out, const std::ios_base &format, const char c, const std::string &buffer) const
 Put string. More...
 
virtual istreambuf_iterator do_ignore (const istreambuf_iterator __begin, const istreambuf_iterator __end) const
 Ignore white space and end of line characters. More...
 
virtual istreambuf_iterator do_ignore_single_line_comment (const istreambuf_iterator __begin, const istreambuf_iterator __end) const
 Ignore characters until end of line. More...
 
virtual istreambuf_iterator do_ignore_multi_line_comment (const istreambuf_iterator __begin, const istreambuf_iterator __end) const
 Ignore characters until next end of comment. More...
 
virtual istreambuf_iterator do_getline (const istreambuf_iterator __begin, const istreambuf_iterator __end, std::ios_base::iostate &result, std::string &buffer) const
 Read string. More...
 

Private Member Functions

 JCppFacet (const JCppFacet &)
 
void operator= (const JCppFacet &)
 

Detailed Description

Facet class to specify parsing of a C[++] variable name.

Definition at line 27 of file JCppFacet.hh.

Member Typedef Documentation

typedef std::istreambuf_iterator<char, std::char_traits<char> > JLANG::JStringFacet::istreambuf_iterator
inherited

Definition at line 34 of file JStringFacet.hh.

typedef std::ostreambuf_iterator<char, std::char_traits<char> > JLANG::JStringFacet::ostreambuf_iterator
inherited

Definition at line 35 of file JStringFacet.hh.

Constructor & Destructor Documentation

JLANG::JCppFacet::JCppFacet ( )
inline

Constructor.

Definition at line 34 of file JCppFacet.hh.

35  {}
JLANG::JCppFacet::JCppFacet ( const JCppFacet &  )
private

Member Function Documentation

virtual JCppFacet* JLANG::JCppFacet::clone ( ) const
inlineoverridevirtual

Clone this facet.

Returns
pointer to newly created facet

Reimplemented from JLANG::JStringFacet.

Definition at line 43 of file JCppFacet.hh.

44  {
45  return new JCppFacet();
46  }
JLANG::JCppFacet::JCppFacet
JCppFacet()
Constructor.
Definition: JCppFacet.hh:34
static bool JLANG::JCppFacet::is_eol ( const char  c)
inlinestatic

Definition at line 49 of file JCppFacet.hh.

49 { return c == ';'; }
c
$WORKDIR ev_configure_dqsimulator txt echo process $DQ_SIMULATOR $i $SOURCE_HOST[$index] csh c(setenv ROOTSYS $ROOTSYS &&source $JPP_DIR/setenv.csh $JPP_DIR &&($DQ_SIMULATOR\-u\$NAME\$\-H\$SERVER\$\-M\$LOGGER\$\-d $DEBUG</dev/null > &/dev/null &))'
static bool JLANG::JCppFacet::is_begin_single_line_comment ( const char  c1,
const char  c2 
)
inlinestatic

Definition at line 51 of file JCppFacet.hh.

51 { return c1 == '/' && c2 == '/'; }
c1
TCanvas * c1
Global variables to handle mouse events.
Definition: JDrawModule3D.cc:34
static bool JLANG::JCppFacet::is_begin_multi_line_comment ( const char  c1,
const char  c2 
)
inlinestatic

Definition at line 52 of file JCppFacet.hh.

52 { return c1 == '/' && c2 == '*'; }
c1
TCanvas * c1
Global variables to handle mouse events.
Definition: JDrawModule3D.cc:34
static bool JLANG::JCppFacet::is_end_single_line_comment ( const char  c1)
inlinestatic

Definition at line 54 of file JCppFacet.hh.

54 { return c1 == '\n'; }
c1
TCanvas * c1
Global variables to handle mouse events.
Definition: JDrawModule3D.cc:34
static bool JLANG::JCppFacet::is_end_multi_line_comment ( const char  c1,
const char  c2 
)
inlinestatic

Definition at line 55 of file JCppFacet.hh.

55 { return c1 == '*' && c2 == '/'; }
c1
TCanvas * c1
Global variables to handle mouse events.
Definition: JDrawModule3D.cc:34
istreambuf_iterator JLANG::JCppFacet::get ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end,
const std::ios_base &  format,
std::ios_base::iostate &  result,
std::string &  buffer 
) const
inline

Get string.

Parameters
__beginbegin position of input stream
__endend position of input stream
formatformat
resultstatus after input operation
bufferoutput string
Returns
position of input stream

Definition at line 68 of file JCppFacet.hh.

73  {
74  return do_get(__begin, __end, format, result, buffer);
75  }
JLANG::JCppFacet::do_get
virtual istreambuf_iterator do_get(const istreambuf_iterator __begin, const istreambuf_iterator __end, const std::ios_base &format, std::ios_base::iostate &result, std::string &buffer) const
Get string.
Definition: JCppFacet.hh:107
JTOOLS::result
return result
Definition: JPolint.hh:764
ostreambuf_iterator JLANG::JCppFacet::put ( ostreambuf_iterator  out,
const std::ios_base &  format,
const char  c,
const std::string &  buffer 
) const
inline

Put string.

Parameters
outbegin position of output stream
formatformat
cfill character
bufferinput string
Returns
position of output stream buffer

Definition at line 87 of file JCppFacet.hh.

91  {
92  return do_put(out, format, c, buffer);
93  }
JLANG::JCppFacet::do_put
virtual ostreambuf_iterator do_put(ostreambuf_iterator out, const std::ios_base &format, const char c, const std::string &buffer) const
Put string.
Definition: JCppFacet.hh:183
c
$WORKDIR ev_configure_dqsimulator txt echo process $DQ_SIMULATOR $i $SOURCE_HOST[$index] csh c(setenv ROOTSYS $ROOTSYS &&source $JPP_DIR/setenv.csh $JPP_DIR &&($DQ_SIMULATOR\-u\$NAME\$\-H\$SERVER\$\-M\$LOGGER\$\-d $DEBUG</dev/null > &/dev/null &))'
virtual istreambuf_iterator JLANG::JCppFacet::do_get ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end,
const std::ios_base &  format,
std::ios_base::iostate &  result,
std::string &  buffer 
) const
inlineprotectedvirtual

Get string.

Parameters
__beginbegin position of input stream
__endend position of input stream
formatformat
resultstatus after input operation
bufferoutput string
Returns
position of input stream

Reimplemented from JLANG::JStringFacet.

Definition at line 107 of file JCppFacet.hh.

112  {
113  using namespace std;
114 
115  result = (ios_base::iostate) 0; // reset I/O status
116 
117  streamsize n = format.width(); // number of characters to read
118 
119  if (n == 0) {
120  n = numeric_limits<streamsize>::max();
121  }
122 
123  istreambuf_iterator i = __begin;
124 
125  if (i == __end || (i = do_ignore(i, __end)) == __end) {
126 
127  result |= ios_base::failbit;
128  result |= ios_base::eofbit;
129 
130  } else {
131 
132  char c = *i;
133 
134  for (++i; i != __end; c = *i, ++i) {
135 
136  // skip comment line(s)
137 
138  if (is_begin_single_line_comment(c,*i))
139  i = do_ignore_single_line_comment(i, __end);
140  else if (is_begin_multi_line_comment (c,*i))
141  i = do_ignore_multi_line_comment (i, __end);
142  else if (c == '_' || isalpha(c)) // first character must be letter or underscore
143  break;
144 
145  i = do_ignore(i, __end);
146  }
147 
148  if (i == __end) {
149 
150  result |= ios_base::failbit;
151  result |= ios_base::eofbit;
152 
153  } else {
154 
155  buffer.clear();
156  buffer.push_back(c);
157 
158  for (--n; i != __end && n != 0 && (*i == '_' ||
159  isalnum(*i)); // following characters may also be digits
160  ++i, --n) {
161  buffer.push_back(*i);
162  }
163 
164  if (i == __end) {
165  result |= ios_base::eofbit;
166  }
167  }
168  }
169 
170  return i;
171  }
JLANG::JCppFacet::is_begin_single_line_comment
static bool is_begin_single_line_comment(const char c1, const char c2)
Definition: JCppFacet.hh:51
JLANG::JCppFacet::do_ignore
virtual istreambuf_iterator do_ignore(const istreambuf_iterator __begin, const istreambuf_iterator __end) const
Ignore white space and end of line characters.
Definition: JCppFacet.hh:217
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JTOOLS::n
const int n
Definition: JPolint.hh:697
JLANG::JCppFacet::do_ignore_single_line_comment
virtual istreambuf_iterator do_ignore_single_line_comment(const istreambuf_iterator __begin, const istreambuf_iterator __end) const
Ignore characters until end of line.
Definition: JCppFacet.hh:237
JTOOLS::result
return result
Definition: JPolint.hh:764
JLANG::JCppFacet::do_ignore_multi_line_comment
virtual istreambuf_iterator do_ignore_multi_line_comment(const istreambuf_iterator __begin, const istreambuf_iterator __end) const
Ignore characters until next end of comment.
Definition: JCppFacet.hh:259
c
$WORKDIR ev_configure_dqsimulator txt echo process $DQ_SIMULATOR $i $SOURCE_HOST[$index] csh c(setenv ROOTSYS $ROOTSYS &&source $JPP_DIR/setenv.csh $JPP_DIR &&($DQ_SIMULATOR\-u\$NAME\$\-H\$SERVER\$\-M\$LOGGER\$\-d $DEBUG</dev/null > &/dev/null &))'
JLANG::JCppFacet::is_begin_multi_line_comment
static bool is_begin_multi_line_comment(const char c1, const char c2)
Definition: JCppFacet.hh:52
virtual ostreambuf_iterator JLANG::JCppFacet::do_put ( ostreambuf_iterator  out,
const std::ios_base &  format,
const char  c,
const std::string &  buffer 
) const
inlineprotectedvirtual

Put string.

Parameters
outbegin position of output stream
formatformat
cfill character
bufferinput string
Returns
current position of output stream

Reimplemented from JLANG::JStringFacet.

Definition at line 183 of file JCppFacet.hh.

187  {
188  using namespace std;
189 
190  if (format.flags() & ios_base::right) {
191  for (streamsize i = buffer.size(); i < format.width(); ++i, ++out) {
192  *out = c;
193  }
194  }
195 
196  for (string::const_iterator i = buffer.begin(); i != buffer.end(); ++i, ++out) {
197  *out = *i;
198  }
199 
200  if (format.flags() & ios_base::left) {
201  for (streamsize i = buffer.size(); i < format.width(); ++i, ++out) {
202  *out = c;
203  }
204  }
205 
206  return out;
207  }
c
$WORKDIR ev_configure_dqsimulator txt echo process $DQ_SIMULATOR $i $SOURCE_HOST[$index] csh c(setenv ROOTSYS $ROOTSYS &&source $JPP_DIR/setenv.csh $JPP_DIR &&($DQ_SIMULATOR\-u\$NAME\$\-H\$SERVER\$\-M\$LOGGER\$\-d $DEBUG</dev/null > &/dev/null &))'
virtual istreambuf_iterator JLANG::JCppFacet::do_ignore ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end 
) const
inlineprotectedvirtual

Ignore white space and end of line characters.

Parameters
__beginbegin position of input stream
__endend position of input stream
Returns
position of input stream

Reimplemented from JLANG::JStringFacet.

Definition at line 217 of file JCppFacet.hh.

219  {
220  istreambuf_iterator i = __begin;
221 
222  while (i != __end && (isspace(*i) || is_eol(*i))) {
223  ++i;
224  }
225 
226  return i;
227  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JLANG::JCppFacet::is_eol
static bool is_eol(const char c)
Definition: JCppFacet.hh:49
virtual istreambuf_iterator JLANG::JCppFacet::do_ignore_single_line_comment ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end 
) const
inlineprotectedvirtual

Ignore characters until end of line.

Parameters
__beginbegin position of input stream
__endend position of input stream
Returns
position of input stream

Definition at line 237 of file JCppFacet.hh.

239  {
240  istreambuf_iterator i = __begin;
241 
242  for ( ; i != __end && !is_end_single_line_comment(*i); ++i) {}
243 
244  if (i != __end) {
245  ++i; // skip end of line
246  }
247 
248  return i;
249  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JLANG::JCppFacet::is_end_single_line_comment
static bool is_end_single_line_comment(const char c1)
Definition: JCppFacet.hh:54
virtual istreambuf_iterator JLANG::JCppFacet::do_ignore_multi_line_comment ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end 
) const
inlineprotectedvirtual

Ignore characters until next end of comment.

Parameters
__beginbegin position of input stream
__endend position of input stream
Returns
position of input stream

Definition at line 259 of file JCppFacet.hh.

261  {
262  istreambuf_iterator i = __begin;
263 
264  if (i != __end) {
265 
266  char c = *i;
267 
268  for (++i; i != __end && !is_end_multi_line_comment(c,*i); c = *i, ++i) {}
269 
270  if (i != __end) {
271  ++i; // skip end of line
272  }
273  }
274 
275  return i;
276  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
c
$WORKDIR ev_configure_dqsimulator txt echo process $DQ_SIMULATOR $i $SOURCE_HOST[$index] csh c(setenv ROOTSYS $ROOTSYS &&source $JPP_DIR/setenv.csh $JPP_DIR &&($DQ_SIMULATOR\-u\$NAME\$\-H\$SERVER\$\-M\$LOGGER\$\-d $DEBUG</dev/null > &/dev/null &))'
JLANG::JCppFacet::is_end_multi_line_comment
static bool is_end_multi_line_comment(const char c1, const char c2)
Definition: JCppFacet.hh:55
void JLANG::JCppFacet::operator= ( const JCppFacet &  )
private
std::istream& JLANG::JStringFacet::ignore ( std::istream &  in) const
inlineinherited

Ignore characters until next end of line.

Parameters
ininput stream
Returns
input stream

Definition at line 104 of file JStringFacet.hh.

105  {
106  if (do_ignore(in, istreambuf_iterator()) == istreambuf_iterator()) {
107  in.setstate(std::ios_base::eofbit);
108  }
109 
110  return in;
111  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JLANG::JStringFacet::do_ignore
virtual istreambuf_iterator do_ignore(const istreambuf_iterator __begin, const istreambuf_iterator __end) const
Ignore characters until next end of line.
Definition: JStringFacet.hh:249
in
then fatal Wrong number of arguments fi set_variable DETECTOR $argv[1] set_variable INPUT_FILE $argv[2] eval JPrintDetector a $DETECTOR O IDENTIFIER eval JPrintDetector a $DETECTOR O SUMMARY JAcoustics sh $DETECTOR_ID source JAcousticsToolkit sh CHECK_EXIT_CODE typeset A EMITTERS get_tripods $WORKDIR tripod txt EMITTERS get_transmitters $WORKDIR transmitter txt EMITTERS for EMITTER in
Definition: JCanberra.sh:46
std::istream& JLANG::JStringFacet::getline ( std::istream &  in,
std::string &  buffer 
) const
inlineinherited

Read characters until next end of line.

Parameters
ininput stream
bufferoutput string
Returns
input stream

Definition at line 121 of file JStringFacet.hh.

123  {
124  using namespace std;
125 
126  ios_base::iostate state = in.rdstate();
127 
128  if (do_getline(in, istreambuf_iterator(), state, buffer) == istreambuf_iterator()) {
129  in.setstate(std::ios_base::eofbit);
130  }
131 
132  if (state != ios_base::goodbit && state != ios_base::eofbit) {
133  in.setstate(state);
134  }
135 
136  return in;
137  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JLANG::JStringFacet::do_getline
virtual istreambuf_iterator do_getline(const istreambuf_iterator __begin, const istreambuf_iterator __end, std::ios_base::iostate &result, std::string &buffer) const
Read string.
Definition: JStringFacet.hh:275
in
then fatal Wrong number of arguments fi set_variable DETECTOR $argv[1] set_variable INPUT_FILE $argv[2] eval JPrintDetector a $DETECTOR O IDENTIFIER eval JPrintDetector a $DETECTOR O SUMMARY JAcoustics sh $DETECTOR_ID source JAcousticsToolkit sh CHECK_EXIT_CODE typeset A EMITTERS get_tripods $WORKDIR tripod txt EMITTERS get_transmitters $WORKDIR transmitter txt EMITTERS for EMITTER in
Definition: JCanberra.sh:46
static int JLANG::JStringFacet::getIndex ( )
inlinestaticinherited

Get index for stream associated facet data.

Returns
index

Definition at line 145 of file JStringFacet.hh.

146  {
147  static int i = std::ios_base::xalloc();
148 
149  return i;
150  }
virtual istreambuf_iterator JLANG::JStringFacet::do_getline ( const istreambuf_iterator  __begin,
const istreambuf_iterator  __end,
std::ios_base::iostate &  result,
std::string &  buffer 
) const
inlineprotectedvirtualinherited

Read string.

Parameters
__beginbegin position of input stream
__endend position of input stream
resultstatus after input operation
bufferoutput string
Returns
position of input stream

Reimplemented in JLANG::JEquationFacet.

Definition at line 275 of file JStringFacet.hh.

279  {
280  using namespace std;
281 
282  istreambuf_iterator i = __begin;
283 
284  if (i == __end) {
285 
286  result |= ios_base::failbit;
287  result |= ios_base::eofbit;
288 
289  } else {
290 
291  buffer.clear();
292 
293  for ( ; i != __end && *i != '\n'; ++i) {
294  buffer.push_back(*i);
295  }
296 
297  if (i != __end) {
298  ++i; // skip end of line
299  }
300  }
301 
302  return i;
303  }
JLANG::JStringFacet::istreambuf_iterator
std::istreambuf_iterator< char, std::char_traits< char > > istreambuf_iterator
Definition: JStringFacet.hh:34
JTOOLS::result
return result
Definition: JPolint.hh:764

Member Data Documentation

std::locale::id JLANG::JStringFacet::id
staticinherited
Author
mdejong

Definition at line 31 of file JStringFacet.hh.

The documentation for this class was generated from the following file:
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