2 * \file buffer_funcs.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
6 * \author Lars Gullik Bjønnes
7 * \author Alfredo Braunstein
9 * Full author contact details are available in file CREDITS.
15 #include "buffer_funcs.h"
17 #include "BufferList.h"
18 #include "BufferParams.h"
19 #include "DocIterator.h"
21 #include "ErrorList.h"
23 #include "FloatList.h"
24 #include "InsetList.h"
29 #include "TextClass.h"
30 #include "Paragraph.h"
31 #include "ParagraphList.h"
32 #include "ParagraphParameters.h"
33 #include "ParIterator.h"
36 #include "TocBackend.h"
38 #include "frontends/alert.h"
40 #include "insets/InsetBibitem.h"
41 #include "insets/InsetInclude.h"
43 #include "support/lassert.h"
44 #include "support/convert.h"
45 #include "support/debug.h"
46 #include "support/filetools.h"
47 #include "support/gettext.h"
48 #include "support/lstrings.h"
49 #include "support/textutils.h"
52 using namespace lyx::support;
56 namespace Alert = frontend::Alert;
59 Buffer * checkAndLoadLyXFile(FileName const & filename, bool const acceptDirty)
62 Buffer * checkBuffer = theBufferList().getBuffer(filename);
64 // sometimes (when setting the master buffer from a child)
65 // we accept a dirty buffer right away (otherwise we'd get
66 // an infinite loop (bug 5514)
67 if (checkBuffer->isClean() || acceptDirty)
69 docstring const file = makeDisplayPath(filename.absFilename(), 20);
70 docstring text = bformat(_(
71 "The document %1$s is already loaded and has unsaved changes.\n"
72 "Do you want to abandon your changes and reload the version on disk?"), file);
73 if (Alert::prompt(_("Reload saved document?"),
74 text, 0, 1, _("&Reload"), _("&Keep Changes")))
77 // FIXME: should be LFUN_REVERT
78 theBufferList().release(checkBuffer);
80 return checkAndLoadLyXFile(filename);
83 if (filename.exists()) {
84 if (!filename.isReadableFile()) {
85 docstring text = bformat(_("The file %1$s exists but is not "
86 "readable by the current user."),
87 from_utf8(filename.absFilename()));
88 Alert::error(_("File not readable!"), text);
91 Buffer * b = theBufferList().newBuffer(filename.absFilename());
93 // Buffer creation is not possible.
96 if (!b->loadLyXFile(filename)) {
97 theBufferList().release(b);
103 docstring text = bformat(_("The document %1$s does not yet "
104 "exist.\n\nDo you want to create a new document?"),
105 from_utf8(filename.absFilename()));
106 if (!Alert::prompt(_("Create new document?"),
107 text, 0, 1, _("&Create"), _("Cancel")))
108 return newFile(filename.absFilename(), string(), true);
114 // FIXME newFile() should probably be a member method of Application...
115 Buffer * newFile(string const & filename, string const & templatename,
119 Buffer * b = theBufferList().newBuffer(filename);
121 // Buffer creation is not possible.
125 // use defaults.lyx as a default template if it exists.
126 if (templatename.empty())
127 tname = libFileSearch("templates", "defaults.lyx");
129 tname = makeAbsPath(templatename);
131 if (!tname.empty()) {
132 if (!b->readFile(tname)) {
133 docstring const file = makeDisplayPath(tname.absFilename(), 50);
134 docstring const text = bformat(
135 _("The specified document template\n%1$s\ncould not be read."),
137 Alert::error(_("Could not read template"), text);
138 theBufferList().release(b);
145 b->setFileName(filename);
148 b->setReadonly(false);
149 b->setFullyLoaded(true);
155 Buffer * newUnnamedFile(FileName const & path, string const & prefix,
156 string const & templatename)
158 static map<string, int> file_number;
164 prefix + convert<string>(++file_number[prefix]) + ".lyx");
166 while (theBufferList().exists(filename) || filename.isReadableFile());
168 return newFile(filename.absFilename(), "", false);
173 * FIXME : merge with countChars. The structures of the two functions
174 * are similar but, unfortunately, they seem to have a different
175 * notion of what to count. Since nobody ever complained about that,
176 * this proves (again) that any number beats no number ! (JMarc)
178 int countWords(DocIterator const & from, DocIterator const & to)
182 for (DocIterator dit = from ; dit != to ; ) {
183 if (!dit.inTexted()) {
188 Paragraph const & par = dit.paragraph();
189 pos_type const pos = dit.pos();
191 // Copied and adapted from isWordSeparator() in Paragraph
192 if (pos != dit.lastpos() && !par.isDeleted(pos)) {
193 Inset const * ins = par.getInset(pos);
194 if (ins && !ins->producesOutput()) {
199 if (par.isWordSeparator(pos))
213 int countChars(DocIterator const & from, DocIterator const & to,
218 for (DocIterator dit = from ; dit != to ; ) {
219 if (!dit.inTexted()) {
224 Paragraph const & par = dit.paragraph();
225 pos_type const pos = dit.pos();
227 if (pos != dit.lastpos() && !par.isDeleted(pos)) {
228 if (Inset const * ins = par.getInset(pos)) {
229 if (!ins->producesOutput()) {
236 else if (with_blanks && ins->isSpace())
239 char_type const c = par.getChar(pos);
240 if (isPrintableNonspace(c))
242 else if (isSpace(c) && with_blanks)
249 return chars + blanks;
253 Buffer * loadIfNeeded(FileName const & fname)
255 Buffer * buffer = theBufferList().getBuffer(fname);
260 buffer = theBufferList().newBuffer(fname.absFilename());
262 // Buffer creation is not possible.
265 if (!buffer->loadLyXFile(fname)) {
266 //close the buffer we just opened
267 theBufferList().release(buffer);