Mercurial > forge
changeset 2522:d2b0336db93a octave-forge
Initial commit into CVS.
author | ryiden |
---|---|
date | Thu, 28 Sep 2006 13:38:31 +0000 |
parents | eacd758cf4e9 |
children | 490f532228b4 |
files | main/miscellaneous/csv2latex.m |
diffstat | 1 files changed, 160 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main/miscellaneous/csv2latex.m Thu Sep 28 13:38:31 2006 +0000 @@ -0,0 +1,160 @@ +## Copyright (C) 2006 Hansgeorg Schwibbe +## +## This function is free software; you can redistribute it and/or +## modify it under the terms of the GNU General Public License +## as published by the Free Software Foundation; either version 2 +## of the License, or (at your option) any later version. +## +## This program is distributed in the hope that it will be useful, +## but WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +## GNU General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with this program; if not, write to the Free Software +## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA +function csv2latex(csv_file, csv_sep, latex_file, tabular_alignments, has_hline, column_titles, row_titles) +## Creates a latex file from a csv file. The generated latex file contains a +## tabular with all values of the csv file. The tabular can be decorated with +## row and column titles. The generated latex file can be inserted in any latex +## document by using the '\input{latex file name without .tex}' statement. +## +## Usage: +## - csv2latex(csv_file, csv_sep, latex_file) +## - csv2latex(csv_file, csv_sep, latex_file, tabular_alignments) +## - csv2latex(csv_file, csv_sep, latex_file, tabular_alignments, has_hline) +## - csv2latex(csv_file, csv_sep, latex_file, +## tabular_alignments, has_hline, column_titles) +## - csv2latex(csv_file, csv_sep, latex_file, tabular_alignments, +## has_hline, column_titles, row_titles) +## +## Parameters: +## csv_file - the path to an existing csv file +## csv_sep - the seperator of the csv values +## latex_file - the path of the latex file to create +## tabular_alignments - the tabular alignment preamble (default = {'l','l',...}) +## has_hline - indicates horizontal line seperator (default = false) +## column_titles - array with the column titles of the tabular (default = {}) +## row_titles - array with the row titles of the tabular (default = {}) +## +## Examples: +## # creates the latex file 'example.tex' from the csv file 'example.csv' +## csv2latex("example.csv", '\t', "example.tex"); +## +## # creates the latex file with horizontal and vertical lines +## csv2latex('example.csv', '\t', 'example.tex', {'|l|', 'l|'}, true); +## +## # creates the latex file with row and column titles +## csv2latex('example.csv', '\t', 'example.tex', {'|l|', 'l|'}, true, +## {'Column 1', 'Column 2', 'Column 3'}, {'Row 1', 'Row 2'}); + + ## set up the default values + if nargin < 7 + row_titles = {}; + end + if nargin < 6 + column_titles = {}; + end + if nargin < 5 + has_hline = false; + end + if nargin < 4 + tabular_alignments = {}; + end + + ## load the csv file and create the csv cell + [fid, msg] = fopen (csv_file, 'r') # open the csv file to read + csv = cell(); + if fid != -1 + [val, count] = fread(fid); # read all data from the file + fclose(fid); # close the csv file after reading + csv_value = ''; + line_index = 1; + value_index = 1; + for index = 1:count + if val(index) == csv_sep + csv(line_index, value_index) = csv_value; + value_index++; + csv_value = ''; + else if val(index) == '\n'; + csv(line_index, value_index) = csv_value; + value_index++; + csv_value = ''; + value_index = 1; + line_index++; + else + csv_value = sprintf('%s%c', csv_value, val(index)); + end + end + end + + ## get the size and length values + [row_size, col_size] = size(csv); + alignment_size = length(tabular_alignments); + column_title_size = length(column_titles); + row_title_size = length(row_titles); + + ## create the alignment preamble and the column titles + alignment_preamble = ''; + tabular_headline = ''; + if row_title_size != 0 + current_size = col_size + 1; + else + current_size = col_size; + end + for col_index = 1:current_size + if col_index <= alignment_size + alignment_preamble = sprintf ('%s%s', alignment_preamble, tabular_alignments(col_index)); + else + alignment_preamble = sprintf ('%sl', alignment_preamble); + end + if column_title_size != 0 + if col_index <= column_title_size + if col_index == 1 + tabular_headline = sprintf ('%s', column_titles(col_index)); + else + tabular_headline = sprintf ('%s & %s', tabular_headline, column_titles(col_index)); + end + else + tabular_headline = sprintf ('%s &', tabular_headline); + end + end + end + + ## print latex file + [fid, msg] = fopen (latex_file, 'w') # open the latex file for writing + if fid != -1 + fprintf (fid, '\\begin{tabular}{%s}\n', alignment_preamble); # print the begin of the tabular + if column_title_size != 0 + if has_hline == true + fprintf (fid, ' \\hline\n'); + end + fprintf (fid, ' %s \\\\\n', tabular_headline); # print the headline of the tabular + end + for row_index = 1:row_size + if has_hline == true + fprintf (fid, ' \\hline\n'); + end + for col_index = 1:col_size + if col_index == 1 + if row_title_size != 0 + if row_index <= row_title_size + fprintf (fid, ' %s & ', row_titles(row_index)); # print the row title + else + fprintf (fid, ' & '); # print an empty row title + end + end + fprintf (fid, ' %s ', csv(row_index, col_index)); + else + fprintf (fid, '& %s ', csv(row_index, col_index)); + end + end + fprintf (fid, '\\\\\n'); + end + if has_hline == true + fprintf (fid, ' \\hline\n'); + end + fprintf (fid, '\\end{tabular}', alignment_preamble); # print the end of the tabular + fclose(fid); # close the latex file after writing + end +end