Mercurial > hg > octave-lojdl
changeset 14216:b3730ed107a6
Clean up scripts in path/ directory
* matlabroot.m: Use standard Octave convention of retval for return variable.
* pathdef.m: Update docstring, Use new code for extracting savepath reference.
* savepath.m: Update docstring. Remove use of deprecated strmatch function.
Use '~' to ignore function return values rather than a tmp variable.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Wed, 18 Jan 2012 21:15:50 -0800 |
parents | 103ec2ea6914 |
children | 7912e682aa30 |
files | scripts/path/matlabroot.m scripts/path/pathdef.m scripts/path/savepath.m |
diffstat | 3 files changed, 59 insertions(+), 76 deletions(-) [+] |
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--- a/scripts/path/matlabroot.m +++ b/scripts/path/matlabroot.m @@ -25,11 +25,12 @@ ## @seealso{OCTAVE_HOME} ## @end deftypefn -function val = matlabroot () +function retval = matlabroot () - val = OCTAVE_HOME; + retval = OCTAVE_HOME; endfunction + %!assert (matlabroot(), OCTAVE_HOME())
--- a/scripts/path/pathdef.m +++ b/scripts/path/pathdef.m @@ -21,7 +21,7 @@ ## @deftypefn {Function File} {@var{val} =} pathdef () ## Return the default path for Octave. ## The path information is extracted from one of three sources. -## In order of preference, those are; +## The possible sources, in order of preference, are: ## ## @enumerate ## @item @file{~/.octaverc} @@ -30,7 +30,7 @@ ## ## @item Octave's path prior to changes by any octaverc. ## @end enumerate -## @seealso{path, addpath, rmpath, genpath, savepath, pathsep} +## @seealso{path, addpath, rmpath, genpath, savepath} ## @end deftypefn function val = pathdef () @@ -39,10 +39,10 @@ pathdir = octave_config_info ("localstartupfiledir"); site_octaverc = fullfile (pathdir, "octaverc"); - ## Locate the user ~\.octaverc file. + ## Locate the user's ~/.octaverc file. user_octaverc = fullfile ("~", ".octaverc"); - ## Extract the specified paths from the site and user octaverc"s. + ## Extract the specified paths from the site and user octavercs. site_path = __extractpath__ (site_octaverc); if (exist (user_octaverc, "file")) user_path = __extractpath__ (user_octaverc); @@ -50,9 +50,7 @@ user_path = ""; endif - ## A path definition in the user octaverc has precedence over the - ## site. - + ## A path definition in the user rcfile has precedence over the site rcfile. if (! isempty (user_path)) val = user_path; elseif (! isempty (site_path)) @@ -73,9 +71,10 @@ function specifiedpath = __extractpath__ (savefile) ## The majority of this code was borrowed from savepath.m. - ## FIXME -- is there some way to share the common parts instead of - ## duplicating? - + ## FIXME: is there some way to share the common parts instead of duplicating? + ## ANSWER: Yes. Create a private directory and extract this section of code + ## and place it there in a new function only visible by pathdef() and + ## savepath(). beginstring = "## Begin savepath auto-created section, do not edit"; endstring = "## End savepath auto-created section"; @@ -85,31 +84,22 @@ ## Parse the file if it exists to see if we should replace a section ## or create a section. - startline = 0; - endline = 0; + startline = endline = 0; filelines = {}; if (exist (savefile) == 2) - ## read in all lines of the file [fid, msg] = fopen (savefile, "rt"); if (fid < 0) error ("__extractpath__: could not open savefile, %s: %s", savefile, msg); endif unwind_protect linenum = 0; - while (linenum >= 0) - result = fgetl (fid); - if (isnumeric (result)) - ## End at the end of file. - linenum = -1; - else - linenum++; - filelines{linenum} = result; - ## Find the first and last lines if they exist in the file. - if (strcmp (result, beginstring)) - startline = linenum + 1; - elseif (strcmp (result, endstring)) - endline = linenum - 1; - endif + while (ischar (line = fgetl (fid))) + filelines{++linenum} = line; + ## find the first and last lines if they exist in the file + if (strcmp (line, beginstring)) + startline = linenum; + elseif (strcmp (line, endstring)) + endline = linenum; endif endwhile unwind_protect_cleanup
--- a/scripts/path/savepath.m +++ b/scripts/path/savepath.m @@ -17,19 +17,21 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {} savepath (@var{file}) -## Save the portion of the current function search path, that is -## not set during Octave's initialization process, to @var{file}. +## @deftypefn {Function File} {} savepath () +## @deftypefnx {Function File} {} savepath (@var{file}) +## @deftypefnx {Function File} {@var{status} =} savepath (@dots{}) +## Save the unique portion of the current function search path that is +## not set during Octave's initialization process to @var{file}. ## If @var{file} is omitted, @file{~/.octaverc} is used. If successful, ## @code{savepath} returns 0. -## @seealso{path, addpath, rmpath, genpath, pathdef, pathsep} +## @seealso{path, addpath, rmpath, genpath, pathdef} ## @end deftypefn ## Author: Bill Denney <bill@givebillmoney.com> -function varargout = savepath (file) +function retval = savepath (file) - retval = 1; + ret = 1; beginstring = "## Begin savepath auto-created section, do not edit"; endstring = "## End savepath auto-created section"; @@ -38,40 +40,30 @@ file = fullfile ("~", ".octaverc"); endif - ## parse the file if it exists to see if we should replace a section - ## or create a section - startline = 0; - endline = 0; + ## parse the file if it exists to see if we should replace an + ## existing section or create a new section + startline = endline = 0; filelines = {}; if (exist (file) == 2) - ## read in all lines of the file [fid, msg] = fopen (file, "rt"); if (fid < 0) error ("savepath: could not open file, %s: %s", file, msg); endif unwind_protect linenum = 0; - while (linenum >= 0) - result = fgetl (fid); - if (isnumeric (result)) - ## end at the end of file - linenum = -1; - else - linenum = linenum + 1; - filelines{linenum} = result; - ## find the first and last lines if they exist in the file - if (strcmp (result, beginstring)) - startline = linenum; - elseif (strcmp (result, endstring)) - endline = linenum; - endif + while (ischar (line = fgetl (fid))) + filelines{++linenum} = line; + ## find the first and last lines if they exist in the file + if (strcmp (line, beginstring)) + startline = linenum; + elseif (strcmp (line, endstring)) + endline = linenum; endif endwhile unwind_protect_cleanup closeread = fclose (fid); if (closeread < 0) - error ("savepath: could not close file after reading, %s", - file); + error ("savepath: could not close file after reading, %s", file); endif end_unwind_protect endif @@ -116,15 +108,16 @@ workingpath = parsepath (path); command_line_path = parsepath (command_line_path ()); octave_path = parsepath (getenv ("OCTAVE_PATH")); - if (isempty (pathdef ())) + pathdef = pathdef (); + if (isempty (pathdef)) ## This occurs when running octave via run-octave. In this instance ## the entire path is specified via the command line and pathdef() ## is empty. - [tmp, n] = setdiff (workingpath, octave_path); + [~, n] = setdiff (workingpath, octave_path); default_path = command_line_path; else - [tmp, n] = setdiff (workingpath, union (command_line_path, octave_path)); - default_path = parsepath (pathdef ()); + [~, n] = setdiff (workingpath, union (command_line_path, octave_path)); + default_path = parsepath (pathdef); endif ## This is the path we'd like to preserve when octave is run. path_to_preserve = workingpath (sort (n)); @@ -133,34 +126,33 @@ [pkg_user, pkg_system] = pkg ("list"); pkg_user_path = cell (1, numel (pkg_user)); pkg_system_path = cell (1, numel (pkg_system)); - for n = 1:numel(pkg_user) + for n = 1:numel (pkg_user) pkg_user_path{n} = pkg_user{n}.archprefix; endfor - for n = 1:numel(pkg_system) + for n = 1:numel (pkg_system) pkg_system_path{n} = pkg_system{n}.archprefix; endfor pkg_path = union (pkg_user_path, pkg_system_path); ## Rely on Octave's initialization to include the pkg path elements. if (! isempty (pkg_path)) - [tmp, n] = setdiff (path_to_preserve, strcat (pkg_path, ":")); - path_to_preserve = path_to_preserve (sort (n)); + [~, n] = setdiff (path_to_preserve, strcat (pkg_path, ":")); + path_to_preserve = path_to_preserve(sort (n)); endif ## Split the path to be saved into two groups. Those path elements that ## belong at the beginning and those at the end. if (! isempty (default_path)) - n1 = strmatch (default_path{1}, path_to_preserve, "exact"); - n2 = strmatch (default_path{end}, path_to_preserve, "exact"); + n1 = find (strcmp (default_path{1}, path_to_preserve)); + n2 = find (strcmp (default_path{end}, path_to_preserve)); n_middle = round (0.5*(n1+n2)); - [tmp, n] = setdiff (path_to_preserve, default_path); - path_to_save = path_to_preserve (sort (n)); + [~, n] = setdiff (path_to_preserve, default_path); + path_to_save = path_to_preserve(sort (n)); ## Remove pwd - path_to_save = path_to_save (! strcmpi (path_to_save, - strcat (".", pathsep))); + path_to_save = path_to_save(! strcmp (path_to_save, ["." pathsep])); n = ones (size (path_to_save)); - for m = 1:numel(path_to_save) - n(m) = strmatch (path_to_save{m}, path_to_preserve); + for m = 1:numel (path_to_save) + n(m) = find (strcmp (path_to_save{m}, path_to_preserve)); endfor path_to_save_begin = path_to_save(n <= n_middle); path_to_save_end = path_to_save(n > n_middle); @@ -199,16 +191,16 @@ endif end_unwind_protect - retval = 0; + ret = 0; - if (nargout == 1) - varargout{1} = retval; + if (nargout > 0) + retval = ret; endif endfunction function path_elements = parsepath (p) pat = sprintf ('([^%s]+[%s$])', pathsep, pathsep); - [~, ~, ~, path_elements] = regexpi (strcat (p, pathsep), pat); + path_elements = regexpi (strcat (p, pathsep), pat, "match"); endfunction