source file of the GNU LilyPond music typesetter
- (c) 1997--2000 Jan Nieuwenhuizen <janneke@gnu.org>
- & Han-Wen Nienhuys <hanwen@cs.uu.nl>
+ (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+ Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
-#include "config.h"
+#include "config.hh"
#include <stdio.h>
#include <assert.h>
#if HAVE_SSTREAM
#include <sstream>
#else
-#include <strstream.h>
+#include <strstream>
#define istringstream(x) istrstream(x, length ())
#endif
while ((c = fgetc (stdin)) != EOF)
chs.push (c);
+ chs.push (0);
length_ = chs.size ();
contents_str0_ = chs.remove_array ();
}
-
-
-char *
-gulp_file (String fn, int* len)
+char*
+gulp_file (String filename, int *filesize)
{
- /*
- let's hope that "b" opens anything binary, and does not apply
- CR/LF translation
- */
- FILE * f = fopen (fn.to_str0 (), "rb");
-
+ /* "b" must ensure to open literally, avoiding text (CR/LF)
+ conversions. */
+ FILE *f = fopen (filename.to_str0 (), "rb");
if (!f)
{
- warning (_f ("can't open file: `%s'", fn.to_str0 ()));
+ warning (_f ("can't open file: `%s'", filename.to_str0 ()));
return 0;
}
- int ret = fseek (f, 0, SEEK_END);
-
- *len = ftell (f);
+ fseek (f, 0, SEEK_END);
+ *filesize = ftell (f);
rewind (f);
- char * str = new char[*len+1];
- str[*len] = 0;
- ret = fread (str, sizeof (char), *len, f);
- if (ret!=*len)
- warning (_f ("Huh? Got %d, expected %d characters", ret, *len));
+ char *str = new char[*filesize + 1];
+ str[*filesize] = 0;
+ int bytes_read = fread (str, sizeof (char), *filesize, f);
+ if (bytes_read != *filesize)
+ warning (_f ("Huh? Got %d, expected %d characters", bytes_read,
+ *filesize));
fclose (f);
-
return str;
}
-
-
Source_file::Source_file (String filename, String data)
{
- name_string_ = "";
+ name_ = filename;
istream_ = 0;
contents_str0_ = data.get_copy_str0();
- length_ = data.length();
+ length_ = data.length ();
pos_str0_ = to_str0 ();
- init_port();
+ init_port ();
}
-
-
-
Source_file::Source_file (String filename_string)
{
- name_string_ = filename_string;
+ name_ = filename_string;
istream_ = 0;
contents_str0_ = 0;
pos_str0_ = to_str0 ();
- init_port();
+ init_port ();
for (int i = 0; i < length_; i++)
if (contents_str0_[i] == '\n')
void
Source_file::init_port ()
{
- SCM str =scm_makfrom0str (contents_str0_);
-
- str_port_ = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG,
- __FUNCTION__);
- scm_set_port_filename_x (str_port_,
- scm_makfrom0str (name_string_.get_str0()));
+ SCM str = scm_makfrom0str (contents_str0_);
+ str_port_ = scm_mkstrport (SCM_INUM0, str, SCM_OPN | SCM_RDNG, __FUNCTION__);
+ scm_set_port_filename_x (str_port_, scm_makfrom0str (name_.get_str0 ()));
}
int
String
Source_file::name_string () const
{
- return name_string_;
+ return name_;
}
Source_file::~Source_file ()
Slice
Source_file::line_slice (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return Slice (0,0);
char const* data_str0 = to_str0 ();
String
Source_file::line_string (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return "";
Slice line = line_slice (pos_str0);
int
Source_file::get_char (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return 0;
char const* data_str0 = to_str0 ();
int
Source_file::get_column (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return 0;
int ch_i = get_char (pos_str0);
String
Source_file::error_string (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return " (" + _ ("position unknown") + ")";
int ch_i = get_char (pos_str0);
}
bool
-Source_file::in_b (char const* pos_str0) const
+Source_file::contains (char const* pos_str0) const
{
return (pos_str0 && (pos_str0 >= to_str0 ()) && (pos_str0 <= to_str0 () + length ()));
}
int
Source_file::get_line (char const* pos_str0) const
{
- if (!in_b (pos_str0))
+ if (!contains (pos_str0))
return 0;
+ if (!newline_locations_.size ())
+ return 1;
+
int lo=0;
- int hi = newline_locations_.size();
+ int hi = newline_locations_.size ();
+
+ if (newline_locations_[lo] > pos_str0)
+ return 1;
+
+ if (newline_locations_[hi-1] < pos_str0)
+ return hi;
binary_search_bounds (newline_locations_,
pos_str0,
Link_array<char>::default_compare,
&lo, &hi);
-
- return lo;
+
+ if (*pos_str0 == '\n')
+ lo --;
+ return lo + 2;
}
int
void
Source_file::set_pos (char const * pos_str0)
{
- if (in_b (pos_str0))
+ if (contains (pos_str0))
pos_str0_ = pos_str0;
else
error (error_string (pos_str0) + "invalid pos");
char const* new_str0 = to_str0 () + n;
if (n < 0)
new_str0 += length ();
- if (in_b (new_str0))
+ if (contains (new_str0))
pos_str0_ = new_str0;
else
error (error_string (new_str0) + "seek past eof");
{
char const* old_pos = pos_str0_;
char const* new_str0 = pos_str0_ + n;
- if (in_b (new_str0))
+ if (contains (new_str0))
pos_str0_ = new_str0;
else
error (error_string (new_str0) + "forward past eof");