Mercurial > octave
annotate scripts/general/grabcode.m @ 22113:b6f482e29afd
New functions publish.m and grabcode.m (patch #9048).
* scripts/general/module.mk: Add entries for the new funtions.
* scripts/general/grabcode.m: New function.
* scripts/general/publish.m: New function.
* scripts/general/private/__publish_html_output__.m: New function.
* scripts/general/private/__publish_latex_output__.m: New function.
* scripts/help/__unimplemented__.m: Remove entries publish and grabcode.
* NEWS: Announce new functions.
* doc/interpreter/func.txi: Add documentation for the new functions.
* test/module.mk: New entry for test module publish.
* test/publish/module.mk: New entries for publish tests.
* test/publish/publish.tst: New test file, to run all test scripts on publish
and grabcode.
* test/publish/test_script.m: New test script.
* test/publish/test_script_code_only.m: New test script.
* test/publish/test_script_empty.m: New test script.
* test/publish/test_script_example.m: New test script.
* test/publish/test_script_head_only.m: New test script.
author | Kai T. Ohlhus <k.ohlhus@gmail.com> |
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date | Fri, 15 Jul 2016 11:46:16 +0200 |
parents | |
children | 9fc91bb2aec3 |
rev | line source |
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22113
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New functions publish.m and grabcode.m (patch #9048).
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1 ## Copyright (C) 2016 Kai T. Ohlhus <k.ohlhus@gmail.com> |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 3 of the License, or (at |
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8 ## your option) any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, see |
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17 ## <http://www.gnu.org/licenses/>. |
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18 |
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19 ## -*- texinfo -*- |
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20 ## @deftypefn {} {} grabcode (@var{url}) |
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21 ## @deftypefnx {} {@var{code_str} =} grabcode (@var{url}) |
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22 ## |
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23 ## Grab by the @code{publish} function generated HTML reports from Octave |
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24 ## script files. |
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25 ## |
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26 ## The input parameter @var{url} must point to a local or remote HTML file |
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27 ## with extension @samp{.htm} or @samp{.html} which was generated by the |
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28 ## @code{publish} function. With any other HTML file this will not work! |
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29 ## |
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30 ## If no return value is given, the grabbed code is saved to a temporary |
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31 ## file and opened in the default editor. |
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32 ## |
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33 ## NOTE: You have to save the file at another location with arbitrary name, |
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34 ## otherwise any grabbed code will be lost! |
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35 ## |
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36 ## With a return value given, the grabbed code will be returned as string |
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37 ## @var{code_str}. |
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38 ## |
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39 ## An example: |
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40 ## |
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41 ## @example |
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42 ## @group |
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43 ## publish ("my_script.m"); |
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44 ## grabcode ("html/my_script.html"); |
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45 ## @end group |
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46 ## @end example |
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47 ## |
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48 ## The example above publishes @samp{my_script.m} by default to |
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49 ## @samp{html/my_script.html}. Afterwards this published Octave script |
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50 ## is grabbed to edit its content in a new temporary file. |
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51 ## |
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52 ## @seealso{publish} |
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53 ## @end deftypefn |
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54 |
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55 function varargout = grabcode (url) |
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56 narginchk (1, 1); |
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57 nargoutchk (0, 1); |
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58 |
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59 [~,~,ext] = fileparts (url); |
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60 if (! strncmp (ext, ".htm", 4)) |
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61 error ("grabcode: URL should point to a published \".html\"-file"); |
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62 endif |
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63 |
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64 ## If url is a local file |
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65 if (exist (url) == 2) |
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66 oct_code = fileread (url); |
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67 ## Otherwise try to read a url |
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68 else |
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69 [oct_code, success, message] = urlread (url); |
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70 if (! success) |
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71 error (["grabcode: ", message]); |
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72 endif |
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73 endif |
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74 |
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75 ## Extract relevant part |
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76 start_str = "##### SOURCE BEGIN #####"; |
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77 end_str = "##### SOURCE END #####"; |
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78 oct_code = oct_code(strfind (oct_code, start_str) + length(start_str) + 1: ... |
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79 strfind (oct_code, end_str)-1); |
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80 |
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81 ## Return Octave code string ... |
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82 if (nargout == 1) |
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83 varargout{1} = oct_code; |
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84 ## ... or open temporary file in editor |
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85 else |
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86 fname = [tempname(), ".m"]; |
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87 fid = fopen (fname, "w"); |
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88 if (fid < 0) |
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89 error ("grabcode: cannot open temporary file"); |
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90 endif |
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91 fprintf (fid, "%s", oct_code); |
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92 fclose (fid); |
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93 edit (fname); |
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94 warndlg (["grabcode: Make sure to save the temporary file\n\n\t", ... |
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95 fname, "\n\nto a location of your choice. ", ... |
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96 "Otherwise all grabbed code will be lost!"]); |
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97 endif |
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98 endfunction |
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99 |
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100 ## Bad function calls |
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101 |
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102 %!error grabcode () |
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103 %!error grabcode (1) |
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104 %!error grabcode ("html/test_script.html", "pdf") |
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105 %!error [str1, str2] = grabcode ("html/test_script.html") |