version 1.15, 2001/12/21 20:06:25
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version 1.19, 2001/12/27 19:47:02
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Line 34 use Apache::File;
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Line 34 use Apache::File;
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use Apache::response; |
use Apache::response; |
use Apache::lonxml; |
use Apache::lonxml; |
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use Digest::MD5 qw(md5_base64); |
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sub BEGIN { |
sub BEGIN { |
&Apache::lonxml::register('Apache::lonplot',('plot')); |
&Apache::lonxml::register('Apache::lonplot',('plot')); |
} |
} |
Line 53 sub BEGIN {
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Line 51 sub BEGIN {
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## grid |
## grid |
## border |
## border |
## font |
## font |
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## align |
## |
## |
## @labels: $labels[$i] = \%label |
## @labels: $labels[$i] = \%label |
## %label: text, xpos, ypos, justify |
## %label: text, xpos, ypos, justify |
Line 68 sub BEGIN {
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Line 67 sub BEGIN {
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## Tests used in checking the validitity of input |
## Tests used in checking the validitity of input |
## |
## |
my $int_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^\d+$/}; |
my $int_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^\d+$/}; |
my $real_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*$/}; |
my $real_test = |
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sub {$_[0]=~s/\s+//g;$_[0]=~/^[+-]?\d*\.?\d*([eE][+-]\d+)?$/}; |
my $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^x[\da-f]{6}$/}; |
my $color_test = sub {$_[0]=~s/\s+//g;$_[0]=~/^x[\da-f]{6}$/}; |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $onoff_test = sub {$_[0]=~/^(on|off)$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
my $key_pos_test = sub {$_[0]=~/^(top|bottom|right|left|outside|below| )+$/}; |
Line 87 my %plot_defaults =
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Line 87 my %plot_defaults =
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transparent => {default => 'off', test => $onoff_test }, |
transparent => {default => 'off', test => $onoff_test }, |
grid => {default => 'off', test => $onoff_test }, |
grid => {default => 'off', test => $onoff_test }, |
border => {default => 'on', test => $onoff_test }, |
border => {default => 'on', test => $onoff_test }, |
font => {default => 'medium', test => $sml_test } |
font => {default => 'medium', test => $sml_test }, |
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align => {default => 'left', test => |
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sub {$_[0]=~/^(left|right|center)$/} } |
); |
); |
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my %key_defaults = |
my %key_defaults = |
Line 134 sub start_plot {
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Line 136 sub start_plot {
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# |
# |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
&Apache::lonxml::register('Apache::lonplot', |
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('title','xlabel','ylabel','key','axis','label','curve')); |
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push (@Apache::lonxml::namespace,'plot'); |
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## Always evaluate the insides of the <plot></plot> tags |
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my $inside = &Apache::lonxml::get_all_text("/plot",$$parser[-1]); |
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$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
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&Apache::lonxml::newparser($parser,\$inside); |
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##------------------------------------------------------- |
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&get_attributes(\%plot,\%plot_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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&Apache::lonxml::register('Apache::lonplot', |
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('title','xlabel','ylabel','key','axis','label','curve')); |
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push (@Apache::lonxml::namespace,'plot'); |
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## Always evaluate the insides of the <plot></plot> tags |
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my $inside = &Apache::lonxml::get_all_text("/plot",$$parser[-1]); |
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$inside=&Apache::run::evaluate($inside,$safeeval,$$parstack[-1]); |
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&Apache::lonxml::newparser($parser,\$inside); |
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##------------------------------------------------------- |
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&get_attributes(\%plot,\%plot_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
} |
} |
return ''; |
return ''; |
} |
} |
Line 187 sub end_plot {
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Line 189 sub end_plot {
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close($fh); |
close($fh); |
## return image tag for the plot |
## return image tag for the plot |
$result .= <<"ENDIMAGE"; |
$result .= <<"ENDIMAGE"; |
<img src = "/cgi-bin/plot.gif?$filename" |
<img src = "/cgi-bin/plot.gif?$filename" |
alt = "/cgi-bin/plot.gif?$filename" /> |
width = "$plot{'width'}" |
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height = "$plot{'height'}" |
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align = "$plot{'align'}" |
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alt = "/cgi-bin/plot.gif?$filename" /> |
ENDIMAGE |
ENDIMAGE |
} |
} |
return $result; |
return $result; |
Line 198 ENDIMAGE
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Line 203 ENDIMAGE
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sub start_key { |
sub start_key { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
&get_attributes(\%key,\%key_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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&get_attributes(\%key,\%key_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 217 sub end_key {
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Line 222 sub end_key {
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##------------------------------------------------------------------- title |
##------------------------------------------------------------------- title |
sub start_title { |
sub start_title { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
$title = &Apache::lonxml::get_all_text("/title",$$parser[-1]); |
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my $result=''; |
my $result=''; |
if ($target eq 'web') { |
if ($target eq 'web') { |
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$title = &Apache::lonxml::get_all_text("/title",$$parser[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 237 sub end_title {
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Line 242 sub end_title {
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sub start_xlabel { |
sub start_xlabel { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
$xlabel = &Apache::lonxml::get_all_text("/xlabel",$$parser[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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$xlabel = &Apache::lonxml::get_all_text("/xlabel",$$parser[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 256 sub end_xlabel {
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Line 261 sub end_xlabel {
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sub start_ylabel { |
sub start_ylabel { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
$ylabel = &Apache::lonxml::get_all_text("/ylabel",$$parser[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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$ylabel = &Apache::lonxml::get_all_text("/ylabel",$$parser[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 275 sub end_ylabel {
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Line 280 sub end_ylabel {
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sub start_label { |
sub start_label { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
my %label; |
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&get_attributes(\%label,\%label_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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$label{'text'} = &Apache::lonxml::get_all_text("/label",$$parser[-1]); |
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if (! &$words_test($label{'text'})) { |
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# I should probably warn about it, too. |
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$label{'text'} = 'Illegal text'; |
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} |
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push(@labels,\%label); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
# This routine should never return anything. |
my %label; |
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&get_attributes(\%label,\%label_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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$label{'text'} = &Apache::lonxml::get_all_text("/label",$$parser[-1]); |
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if (! &$words_test($label{'text'})) { |
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# I should probably warn about it, too. |
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$label{'text'} = 'Illegal text'; |
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} |
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push(@labels,\%label); |
} |
} |
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# This routine should never return anything. |
return $result; |
return $result; |
} |
} |
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Line 303 sub end_label {
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Line 308 sub end_label {
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sub start_curve { |
sub start_curve { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
my %curve; |
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&get_attributes(\%curve,\%curve_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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push (@curves,\%curve); |
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&Apache::lonxml::register('Apache::lonplot',('function','data')); |
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push (@Apache::lonxml::namespace,'curve'); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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my %curve; |
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&get_attributes(\%curve,\%curve_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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push (@curves,\%curve); |
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&Apache::lonxml::register('Apache::lonplot',('function','data')); |
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push (@Apache::lonxml::namespace,'curve'); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 318 sub start_curve {
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Line 323 sub start_curve {
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sub end_curve { |
sub end_curve { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result = ''; |
my $result = ''; |
pop @Apache::lonxml::namespace; |
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&Apache::lonxml::deregister('Apache::lonplot',('function','data')); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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pop @Apache::lonxml::namespace; |
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&Apache::lonxml::deregister('Apache::lonplot',('function','data')); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 329 sub end_curve {
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Line 334 sub end_curve {
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sub start_function { |
sub start_function { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if (exists($curves[-1]->{'data'})) { |
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&Apache::lonxml::warning('Use of <function> precludes use of <data>. The <data> will be omitted in favor of the <function> declaration.'); |
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delete $curves[-1]->{'data'} ; |
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} |
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$curves[-1]->{'function'} = |
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&Apache::lonxml::get_all_text("/function",$$parser[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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if (exists($curves[-1]->{'data'})) { |
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&Apache::lonxml::warning('Use of <function> precludes use of <data>. The <data> will be omitted in favor of the <function> declaration.'); |
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delete $curves[-1]->{'data'} ; |
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} |
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$curves[-1]->{'function'} = |
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&Apache::lonxml::get_all_text("/function",$$parser[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 353 sub end_function {
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Line 358 sub end_function {
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sub start_data { |
sub start_data { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
if (exists($curves[-1]->{'function'})) { |
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&Apache::lonxml::warning('Use of <data> precludes use of <function>.'. |
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' The <function> will be omitted in favor of the <data>'. |
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' declaration.'); |
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delete($curves[-1]->{'function'}); |
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} |
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my $datatext = &Apache::lonxml::get_all_text("/data",$$parser[-1]); |
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$datatext =~ s/\s+//g; # No whitespace, numbers must be seperated |
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# by commas |
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if ($datatext !~ /^(([+-]?\d*\.?\d*)[, ]?)+$/) { |
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&Apache::lonxml::warning('Malformed data: '.$datatext); |
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$datatext = ''; |
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} |
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# Need to do some error checking on the @data array - |
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# make sure it's all numbers and make sure each array |
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# is of the same length. |
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my @data = split /,/,$datatext; |
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for (my $i=0;$i<=$#data;$i++) { |
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# Check that it's non-empty |
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# Check that it's a number |
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# Maybe I need a 'debug=on' switch to list the data set |
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# out in a warning? |
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} |
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push @{$curves[-1]->{'data'}},\@data; |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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if (exists($curves[-1]->{'function'})) { |
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&Apache::lonxml::warning('Use of <data> precludes use of .'. |
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'<function>. The <function> will be omitted in favor of '. |
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'the <data> declaration.'); |
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delete($curves[-1]->{'function'}); |
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} |
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my $datatext = &Apache::lonxml::get_all_text("/data",$$parser[-1]); |
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$datatext =~ s/\s+/ /g; |
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# Need to do some error checking on the @data array - |
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# make sure it's all numbers and make sure each array |
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# is of the same length. |
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my @data; |
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if ($datatext =~ /,/) { |
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@data = split /,/,$datatext; |
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} else { # Assume it's space seperated. |
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@data = split / /,$datatext; |
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} |
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for (my $i=0;$i<=$#data;$i++) { |
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# Check that it's non-empty |
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if (! defined($data[$i])) { |
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&Apache::lonxml::warning( |
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'undefined <data> value. Replacing with '. |
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' pi/e = 1.15572734979092'); |
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$data[$i] = 1.15572734979092; |
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} |
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# Check that it's a number |
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if (! &$real_test($data[$i]) & ! &$int_test($data[$i])) { |
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&Apache::lonxml::warning( |
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'Bad <data> value of '.$data[$i].' Replacing with '. |
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' pi/e = 1.15572734979092'); |
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$data[$i] = 1.15572734979092; |
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} |
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} |
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push @{$curves[-1]->{'data'}},\@data; |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 396 sub end_data {
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Line 411 sub end_data {
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sub start_axis { |
sub start_axis { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my $result=''; |
my $result=''; |
&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
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if ($target eq 'web') { |
if ($target eq 'web') { |
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&get_attributes(\%axis,\%axis_defaults,$parstack,$safeeval, |
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$tagstack->[-1]); |
# This routine should never return anything. |
# This routine should never return anything. |
} |
} |
return $result; |
return $result; |
Line 430 sub get_attributes{
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Line 445 sub get_attributes{
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my $parstack = shift; |
my $parstack = shift; |
my $safeeval = shift; |
my $safeeval = shift; |
my $tag = shift; |
my $tag = shift; |
my $attr; |
foreach my $attr (keys %{$defaults}) { |
foreach $attr (keys %{$defaults}) { |
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$values->{$attr} = |
$values->{$attr} = |
&Apache::lonxml::get_param($attr,$parstack,$safeeval); |
&Apache::lonxml::get_param($attr,$parstack,$safeeval); |
if ($values->{$attr} eq '' | !defined($values->{$attr})) { |
if ($values->{$attr} eq '' | !defined($values->{$attr})) { |