]> git.lyx.org Git - lyx.git/blobdiff - src/buffer_funcs.cpp
Correction: The inset name is citation, not cite
[lyx.git] / src / buffer_funcs.cpp
index 861413dcd96245679e8e807ffcec3050e6bad551..ff4512b5c6a1279774f434f957140bd294ad90cd 100644 (file)
@@ -28,7 +28,6 @@
 #include "LyX.h"
 #include "TextClass.h"
 #include "Paragraph.h"
-#include "paragraph_funcs.h"
 #include "ParagraphList.h"
 #include "ParagraphParameters.h"
 #include "ParIterator.h"
@@ -57,41 +56,47 @@ namespace lyx {
 namespace Alert = frontend::Alert;
 
 
-Buffer * checkAndLoadLyXFile(FileName const & filename)
+Buffer * checkAndLoadLyXFile(FileName const & filename, bool const acceptDirty)
 {
        // File already open?
        Buffer * checkBuffer = theBufferList().getBuffer(filename);
        if (checkBuffer) {
-               if (checkBuffer->isClean())
+               // Sometimes (when setting the master buffer from a child)
+               // we accept a dirty buffer right away (otherwise we'd get
+               // an infinite loop (bug 5514).
+               // We also accept a dirty buffer when the document has not
+               // yet been saved to disk.
+               if (checkBuffer->isClean() || acceptDirty || !filename.exists())
                        return checkBuffer;
-               docstring const file = makeDisplayPath(filename.absFilename(), 20);
-               docstring text = bformat(_(
+               docstring const file = makeDisplayPath(filename.absFileName(), 20);
+               docstring const text = bformat(_(
                                "The document %1$s is already loaded and has unsaved changes.\n"
                                "Do you want to abandon your changes and reload the version on disk?"), file);
-               if (Alert::prompt(_("Reload saved document?"),
-                               text, 0, 1,  _("&Reload"), _("&Keep Changes")))
-                       return checkBuffer;
-
-               // FIXME: should be LFUN_REVERT
-               theBufferList().release(checkBuffer);
-               // Load it again.
-               return checkAndLoadLyXFile(filename);
+               if (!Alert::prompt(_("Reload saved document?"),
+                         text, 0, 1,  _("&Reload"), _("&Keep Changes"))) {
+                       // reload the document
+                       if (checkBuffer->reload() != Buffer::ReadSuccess)
+                               return 0;
+               }
+               return checkBuffer;
        }
 
        if (filename.exists()) {
                if (!filename.isReadableFile()) {
                        docstring text = bformat(_("The file %1$s exists but is not "
                                "readable by the current user."),
-                               from_utf8(filename.absFilename()));
+                               from_utf8(filename.absFileName()));
                        Alert::error(_("File not readable!"), text);
                        return 0;
                }
-               Buffer * b = theBufferList().newBuffer(filename.absFilename());
+               Buffer * b = theBufferList().newBuffer(filename.absFileName());
                if (!b) {
                        // Buffer creation is not possible.
                        return 0;
                }
-               if (!b->loadLyXFile(filename)) {
+               if (b->loadLyXFile() != Buffer::ReadSuccess) {
+                       // do not save an emergency file when releasing the buffer
+                       b->markClean();
                        theBufferList().release(b);
                        return 0;
                }
@@ -100,10 +105,10 @@ Buffer * checkAndLoadLyXFile(FileName const & filename)
 
        docstring text = bformat(_("The document %1$s does not yet "
                "exist.\n\nDo you want to create a new document?"),
-               from_utf8(filename.absFilename()));
+               from_utf8(filename.absFileName()));
        if (!Alert::prompt(_("Create new document?"),
                        text, 0, 1, _("&Create"), _("Cancel")))
-               return newFile(filename.absFilename(), string(), true);
+               return newFile(filename.absFileName(), string(), true);
 
        return 0;
 }
@@ -111,7 +116,7 @@ Buffer * checkAndLoadLyXFile(FileName const & filename)
 
 // FIXME newFile() should probably be a member method of Application...
 Buffer * newFile(string const & filename, string const & templatename,
-                bool const isNamed)
+                bool is_named)
 {
        // get a free buffer
        Buffer * b = theBufferList().newBuffer(filename);
@@ -127,8 +132,8 @@ Buffer * newFile(string const & filename, string const & templatename,
                tname = makeAbsPath(templatename);
 
        if (!tname.empty()) {
-               if (!b->readFile(tname)) {
-                       docstring const file = makeDisplayPath(tname.absFilename(), 50);
+               if (b->loadThisLyXFile(tname) != Buffer::ReadSuccess) {
+                       docstring const file = makeDisplayPath(tname.absFileName(), 50);
                        docstring const text  = bformat(
                                _("The specified document template\n%1$s\ncould not be read."),
                                file);
@@ -138,10 +143,12 @@ Buffer * newFile(string const & filename, string const & templatename,
                }
        }
 
-       if (!isNamed) {
+       if (is_named)
+               // in this case, the user chose the filename, so we
+               // assume that she really does want this file.
+               b->markDirty();
+       else
                b->setUnnamed();
-               b->setFileName(filename);
-       }
 
        b->setReadonly(false);
        b->setFullyLoaded(true);
@@ -150,56 +157,97 @@ Buffer * newFile(string const & filename, string const & templatename,
 }
 
 
-Buffer * newUnnamedFile(string const & templatename, FileName const & path)
+Buffer * newUnnamedFile(FileName const & path, string const & prefix,
+                                               string const & templatename)
 {
-       static int newfile_number;
-
-       FileName filename(path, 
-               "newfile" + convert<string>(++newfile_number) + ".lyx");
-       while (theBufferList().exists(filename)
-               || filename.isReadableFile()) {
-               ++newfile_number;
-               filename.set(path,
-                       "newfile" +     convert<string>(newfile_number) + ".lyx");
+       static map<string, int> file_number;
+
+       FileName filename;
+
+       do {
+               filename.set(path, 
+                       prefix + convert<string>(++file_number[prefix]) + ".lyx");
        }
-       return newFile(filename.absFilename(), templatename, false);
+       while (theBufferList().exists(filename) || filename.isReadableFile());
+               
+       return newFile(filename.absFileName(), templatename, false);
 }
 
 
-int countWords(DocIterator const & from, DocIterator const & to)
+/* 
+ * FIXME : merge with countChars. The structures of the two functions
+ * are similar but, unfortunately, they seem to have a different
+ * notion of what to count. Since nobody ever complained about that,
+ * this proves (again) that any number beats no number ! (JMarc)
+ * We have two use cases:
+ * 1. Count the words of the given range for document statistics
+ * - ignore inset content without output. (skipNoOutput == true)
+ * 2. Count the words to present a progress bar for the spell checker
+ * - has to count whole content. (skipNoOutput == false)
+ */
+int countWords(DocIterator const & from, DocIterator const & to,
+                          bool skipNoOutput)
 {
        int count = 0;
        bool inword = false;
-       for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
-               // Copied and adapted from isLetter() in ControlSpellChecker
-               if (dit.inTexted()
-                   && dit.pos() != dit.lastpos()
-                   && dit.paragraph().isLetter(dit.pos())
-                   && !dit.paragraph().isDeleted(dit.pos())) {
-                       if (!inword) {
+       
+       for (DocIterator dit = from ; dit != to && !dit.atEnd(); ) {
+               if (!dit.inTexted()) {
+                       dit.forwardPos();
+                       continue;
+               }
+               
+               Paragraph const & par = dit.paragraph();
+               pos_type const pos = dit.pos();
+
+               // Copied and adapted from isWordSeparator() in Paragraph
+               if (pos == dit.lastpos()) {
+                       inword = false;
+               } else if (!par.isDeleted(pos)) {
+                       Inset const * ins = par.getInset(pos);
+                       if (ins && skipNoOutput && !ins->producesOutput()) {
+                               // skip this inset
+                               ++dit.top().pos();
+                               // stop if end of range was skipped
+                               if (!to.atEnd() && dit >= to)
+                                       break;
+                               continue;
+                       }
+                       if (par.isWordSeparator(pos)) 
+                               inword = false;
+                       else if (!inword) {
                                ++count;
                                inword = true;
                        }
-               } else if (inword)
-                       inword = false;
+               }
+               dit.forwardPos();
        }
 
        return count;
 }
 
 
-int countChars(DocIterator const & from, DocIterator const & to, bool with_blanks)
+int countChars(DocIterator const & from, DocIterator const & to, 
+              bool with_blanks)
 {
        int chars = 0;
        int blanks = 0;
-       for (DocIterator dit = from ; dit != to ; dit.forwardPos()) {
-
-               if (!dit.inTexted()) continue;
+       for (DocIterator dit = from ; dit != to ; ) {
+               if (!dit.inTexted()) {
+                       dit.forwardPos();
+                       continue;
+               }
+               
                Paragraph const & par = dit.paragraph();
                pos_type const pos = dit.pos();
-
+               
                if (pos != dit.lastpos() && !par.isDeleted(pos)) {
                        if (Inset const * ins = par.getInset(pos)) {
+                               if (!ins->producesOutput()) {
+                                       //skip this inset
+                                       ++dit.top().pos();
+                                       continue;
+                               }
                                if (ins->isLetter())
                                        ++chars;
                                else if (with_blanks && ins->isSpace())
@@ -212,9 +260,33 @@ int countChars(DocIterator const & from, DocIterator const & to, bool with_blank
                                        ++blanks;
                        }
                }
+               dit.forwardPos();
        }
 
        return chars + blanks;
 }
 
+
+Buffer * loadIfNeeded(FileName const & fname)
+{
+       Buffer * buffer = theBufferList().getBuffer(fname);
+       if (!buffer) {
+               if (!fname.exists())
+                       return 0;
+
+               buffer = theBufferList().newBuffer(fname.absFileName());
+               if (!buffer)
+                       // Buffer creation is not possible.
+                       return 0;
+
+               if (buffer->loadLyXFile() != Buffer::ReadSuccess) {
+                       //close the buffer we just opened
+                       theBufferList().release(buffer);
+                       return 0;
+               }
+       }
+       return buffer;
+}
+
+
 } // namespace lyx