/usr/share/octave/packages/io-2.4.5/private/__OCT_oct2gnm__.m is in octave-io 2.4.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | ## Copyright (C) 2014-2016 Philip Nienhuis
##
## This program 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 3 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, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{retval} =} __OCT_oct2gnm__ (@var{input1}, @var{input2})
## Internal OF io package function.
##
## @seealso{}
## @end deftypefn
## Author: Philip Nienhuis <prnienhuis at users . sf .net>
## Created: 2014-04-20
function [xls, status] = __OCT_oct2gnm__ (obj, xls, wsh, crange, spsh_opts=0, obj_dims)
## A. Find out if we write to existing or new sheet
new_sh = 0;
if (isnumeric (wsh))
if (wsh < 1)
error ("oct2ods/xls: sheet number (%d) should be > 0\n", wsh);
elseif (wsh > numel (xls.sheets.sh_names))
## New sheet
## FIXME check for existing/duplicate names
xls.sheets.sh_names(wsh) = sprintf ("Sheet%d", wsh);
new_sh = 1;
wsh = numel (xls.sheets.sh_names) + 1;
endif
elseif (ischar (wsh))
idx = find (strcmp (wsh, xls.sheets.sh_names));
if (isempty (idx))
## New sheet
xls.sheets.sh_names(end+1) = wsh;
new_sh = 1;
idx = numel (xls.sheets.sh_names);
endif
wsh = idx;
endif
## Check if we made a new file from template, add a new sheet, or add data to a sheet
if (strcmpi (xls.sheets.sh_names{1}, " ") && numel (xls.sheets.sh_names) == 2 && new_sh)
## Completely new file. Clean up and copy a few things
xls.sheets.sh_names(1) = [];
wsh = 1;
idx_s = xls.sheets.shtidx(1);
idx_e = xls.sheets.shtidx(2) - 1;
xls.changed = 2;
lims = [obj_dims.tr, obj_dims.br; obj_dims.lc, obj_dims.rc];
rawarr = obj;
elseif (new_sh)
## New sheet. Provisionally update sheet info in file pointer struct
wsh = numel (xls.sheets.sh_names);
idx_s = xls.sheets.shtidx(wsh) ; ## First position after last sheet
idx_e = idx_s - 1;
xls.changed = 1;
lims = [obj_dims.tr, obj_dims.br; obj_dims.lc, obj_dims.rc];
rawarr = obj;
else
## Just write new data into an existing sheet
idx_s = xls.sheets.shtidx(wsh);
idx_e = xls.sheets.shtidx(wsh+1) - 1;
## Get all current data in sheet and current row/column limits
[rawarr, xls] = __OCT_gnm2oct__ (xls, wsh, "", struct ("formulas_as_text", 1));
lims = xls.limits;
## C. Merge old and new data. Provisionally allow empty new data to wipe old data
[rawarr, lims] = __OCT_merge_data__ (rawarr, lims, obj, obj_dims);
endif
## C. Create a temporary file to hold the new sheet xml
## Open sheet file (new or old)
tmpfil = tmpnam;
fid = fopen (tmpfil, "w+");
if (fid < 0)
error ("oct2ods/xls: unable to write to tmp file %s\n", tmpfil);
endif
## Write data to sheet
status = __OCT__oct2gnm_sh__ (fid, rawarr, xls.sheets.sh_names{wsh}, lims);
## E. Merge new/updated sheet into gnumeric file
## Read first chunk until sht_idx<xx>
fidc = fopen (xls.workbook, "r+");
## Read and concatenate just adapted/created sheet/table:table
gnm_xml = fread (fidc, idx_s - 1, "char=>char")';
## F. Optionally update SheetName Index node
if (new_sh)
if (wsh == 1)
## New file, existing sheet. Find then (only) gnm:SheetName node
[shtnmnode, ss, ee] = getxmlnode (gnm_xml, "gnm:SheetName");
ipos = index (shtnmnode, "> </gnm:SheetName>");
shtnmnode = [ shtnmnode(1:ipos) xls.sheets.sh_names{1} shtnmnode(ipos+2:end) ];
## Replace SheetName node
gnm_xml = [ gnm_xml(1:ss-1) shtnmnode gnm_xml(ee+1:end) ];
else
## Existing file, append new SheetName node to end of SheetName nodes list
[shtidxnode, ss, ee] = getxmlnode (gnm_xml, "gnm:SheetNameIndex");
sh_node = sprintf('><gnm:SheetName gnm:Cols="1024" gnm:Rows="65536">%s</gnm:SheetName>',
xls.sheets.sh_names{wsh});
## Add close tag to ease up next strrep
sh_node = [ sh_node "</gnm:SheetNameIndex>" ];
shtidxnode = strrep (shtidxnode, "</gnm:SheetNameIndex>", sh_node);
## Replace SheetNameIndex node
gnm_xml = [ gnm_xml(1:ss-1) shtidxnode gnm_xml(ee+1:end) ];
endif
endif
## Rewind tmp sheet and read it behind gnm_xml
fseek (fid, 0, "bof");
sheet = fread (fid, Inf, "char=>char")';
lsheet = length (sheet);
## Close & delete sheet file
fclose (fid);
delete (tmpfil);
gnm_xml = [ gnm_xml sheet] ;
## Read rest of gnumeric file, optionally delete overwritten sheet/table:table
fseek (fidc, idx_e, 'bof');
gnm_xml = [ gnm_xml fread(fidc, Inf, "char=>char")' ];
## Write updated gnumeric file back to disk.
fclose (fidc);
fidc = fopen (xls.workbook, "w+");
fprintf (fidc, "%s", gnm_xml);
fclose (fidc);
## G. Update sheet pointers in ods/xls file pointer
if (new_sh)
xls.sheets.shtidx(wsh+1) = idx_s + lsheet;
xls.changed = 2;
else
offset = lsheet - (idx_e - idx_s) - 1;
xls.sheets.shtidx(wsh+1 : end) += offset;
endif
xls.changed = max (xls.changed, 1);
endfunction
function [ status ] = __OCT__oct2gnm_sh__ (fid, raw, wsh, lims)
## Write out the lot to requested sheet
## 1. Sheet open tags
tag = '<gnm:Sheet DisplayFormulas="0" HideZero="0" HideGrid="0"';
tag = [ tag ' HideColHeader="0" HideRowHeader="0" DisplayOutlines="1"' ];
tag = [ tag ' OutlineSymbolsBelow="1" OutlineSymbolsRight="1"' ];
tag = [ tag ' Visibility="GNM_SHEET_VISIBILITY_VISIBLE" GridColor="0:0:0">' ];
fprintf (fid, "%s", tag);
fprintf (fid, "<gnm:Name>%s</gnm:Name>", wsh);
fprintf (fid, "<gnm:MaxCol>%d</gnm:MaxCol><gnm:MaxRow>%d</gnm:MaxRow>", ...
lims(1, 2) - 1, lims(2, 2) - 1);
fprintf (fid, "<gnm:Cells>");
## 2. Spreadsheet cells
for ii=1:size (raw, 1)
# lims(##, ##):lims(##, ##)
## Row # in gnumeric = 0-based
irow = lims(1, 1) - 2 + ii;
for jj=1:size (raw, 2)
# lims(##, ##):lims(##, ##)
## Column # in gnumeric = 0-based
icol = lims(2, 1) - 2 + jj;
if (isempty (raw{ii, jj}))
## Do nothing
elseif (islogical (raw{ii, jj}))
## BOOLEAN. Convert to acceptable format for gnumeric
val = "FALSE";
if (raw{ii, jj})
val = "TRUE";
endif
fprintf (fid, '<gnm:Cell Row="%d" Col="%d" ValueType="20">%s</gnm:Cell>', ...
irow, icol, val)
elseif (isnumeric (raw{ii, jj}))
## Any numeric value; gnumeric only has FLOAT type
fprintf (fid, '<gnm:Cell Row="%d" Col="%d" ValueType="40">%0.15g</gnm:Cell>', ...
irow, icol, raw{ii, jj});
elseif (ischar (raw{ii, jj}))
## STRING
fprintf (fid, '<gnm:Cell Row="%d" Col="%d" ValueType="60">%s</gnm:Cell>', ...
irow, icol, raw{ii, jj});
else
## Do nothing, just skip
endif
endfor
endfor
## 3. Closing tag
fprintf (fid, "</gnm:Cells></gnm:Sheet>");
status = 1;
endfunction
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