1
0
mirror of https://github.com/pgbackrest/pgbackrest.git synced 2024-12-14 10:13:05 +02:00
pgbackrest/doc/lib/BackRestDoc/Html/DocHtmlPage.pm
David Steele b0a6954671 A number of doc improvements:
1) Started on a general markdown renderer
2) Internal links now work in PDF
3) Improvements to PDF styling
4) Some comment and formatting fixes
5) User guide edits.
2015-12-23 11:04:26 -05:00

528 lines
19 KiB
Perl

####################################################################################################################################
# DOC HTML PAGE MODULE
####################################################################################################################################
package BackRestDoc::Html::DocHtmlPage;
use parent 'BackRestDoc::Common::DocExecute';
use strict;
use warnings FATAL => qw(all);
use Carp qw(confess);
use Data::Dumper;
use Exporter qw(import);
our @EXPORT = qw();
use File::Basename qw(dirname);
use File::Copy;
use Storable qw(dclone);
use lib dirname($0) . '/../lib';
use BackRest::Common::Log;
use BackRest::Common::String;
use BackRest::Config::ConfigHelp;
use BackRestDoc::Common::DocManifest;
use BackRestDoc::Html::DocHtmlBuilder;
use BackRestDoc::Html::DocHtmlElement;
####################################################################################################################################
# Operation constants
####################################################################################################################################
use constant OP_DOC_HTML_PAGE => 'DocHtmlPage';
use constant OP_DOC_HTML_PAGE_BACKREST_CONFIG_PROCESS => OP_DOC_HTML_PAGE . '->backrestConfigProcess';
use constant OP_DOC_HTML_PAGE_NEW => OP_DOC_HTML_PAGE . '->new';
use constant OP_DOC_HTML_PAGE_POSTGRES_CONFIG_PROCESS => OP_DOC_HTML_PAGE . '->postgresConfigProcess';
use constant OP_DOC_HTML_PAGE_PROCESS => OP_DOC_HTML_PAGE . '->process';
use constant OP_DOC_HTML_PAGE_SECTION_PROCESS => OP_DOC_HTML_PAGE . '->sectionProcess';
####################################################################################################################################
# CONSTRUCTOR
####################################################################################################################################
sub new
{
my $class = shift; # Class name
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oManifest,
$strRenderOutKey,
$bExe
) =
logDebugParam
(
OP_DOC_HTML_PAGE_NEW, \@_,
{name => 'oManifest'},
{name => 'strRenderOutKey'},
{name => 'bExe'}
);
# Create the class hash
my $self = $class->SUPER::new(RENDER_TYPE_HTML, $oManifest, $strRenderOutKey, $bExe);
bless $self, $class;
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'self', value => $self}
);
}
####################################################################################################################################
# process
#
# Generate the site html
####################################################################################################################################
sub process
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my $strOperation = logDebugParam(OP_DOC_HTML_PAGE_PROCESS);
# Working variables
my $oPage = $self->{oDoc};
# Initialize page
my $strTitle = "{[project]}" .
(defined($oPage->paramGet('title', false)) ? ' ' . $oPage->paramGet('title') : '');
my $strSubTitle = $oPage->paramGet('subtitle', false);
my $oHtmlBuilder = new BackRestDoc::Html::DocHtmlBuilder("{[project]} - Reliable PostgreSQL Backup",
$strTitle . (defined($strSubTitle) ? " - ${strSubTitle}" : ''),
$self->{bPretty});
# Generate header
my $oPageHeader = $oHtmlBuilder->bodyGet()->addNew(HTML_DIV, 'page-header');
$oPageHeader->
addNew(HTML_DIV, 'page-header-title',
{strContent => $strTitle});
if (defined($strSubTitle))
{
$oPageHeader->
addNew(HTML_DIV, 'page-header-subtitle',
{strContent => $strSubTitle});
}
# Generate menu
my $oMenuBody = $oHtmlBuilder->bodyGet()->addNew(HTML_DIV, 'page-menu')->addNew(HTML_DIV, 'menu-body');
if ($self->{strRenderOutKey} ne 'index')
{
my $oRenderOut = $self->{oManifest}->renderOutGet(RENDER_TYPE_HTML, 'index');
$oMenuBody->
addNew(HTML_DIV, 'menu')->
addNew(HTML_A, 'menu-link', {strContent => $$oRenderOut{menu}, strRef => '{[project-url-root]}'});
}
foreach my $strRenderOutKey ($self->{oManifest}->renderOutList(RENDER_TYPE_HTML))
{
if ($strRenderOutKey ne $self->{strRenderOutKey} && $strRenderOutKey ne 'index')
{
my $oRenderOut = $self->{oManifest}->renderOutGet(RENDER_TYPE_HTML, $strRenderOutKey);
$oMenuBody->
addNew(HTML_DIV, 'menu')->
addNew(HTML_A, 'menu-link', {strContent => $$oRenderOut{menu}, strRef => "${strRenderOutKey}.html"});
}
}
# Generate table of contents
my $oPageTocBody;
if (!defined($oPage->paramGet('toc', false)) || $oPage->paramGet('toc') eq 'y')
{
my $oPageToc = $oHtmlBuilder->bodyGet()->addNew(HTML_DIV, 'page-toc');
$oPageToc->
addNew(HTML_DIV, 'page-toc-title',
{strContent => "Table of Contents"});
$oPageTocBody = $oPageToc->
addNew(HTML_DIV, 'page-toc-body');
}
# Generate body
my $oPageBody = $oHtmlBuilder->bodyGet()->addNew(HTML_DIV, 'page-body');
# Render sections
foreach my $oSection ($oPage->nodeList('section'))
{
my ($oChildSectionElement, $oChildSectionTocElement) =
$self->sectionProcess($oSection, undef, 1);
$oPageBody->add($oChildSectionElement);
if (defined($oPageTocBody))
{
$oPageTocBody->add($oChildSectionTocElement);
}
}
my $oPageFooter = $oHtmlBuilder->bodyGet()->
addNew(HTML_DIV, 'page-footer',
{strContent => '{[html-footer]}'});
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'strHtml', value => $oHtmlBuilder->htmlGet(), trace => true}
);
}
####################################################################################################################################
# sectionProcess
####################################################################################################################################
sub sectionProcess
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oSection,
$strAnchor,
$iDepth
) =
logDebugParam
(
OP_DOC_HTML_PAGE_SECTION_PROCESS, \@_,
{name => 'oSection'},
{name => 'strAnchor', required => false},
{name => 'iDepth'}
);
&log($iDepth == 1 ? INFO : DEBUG, (' ' x ($iDepth + 1)) . 'process section: ' . $oSection->paramGet('id'));
if ($iDepth > 3)
{
confess &log(ASSERT, "section depth of ${iDepth} exceeds maximum");
}
# Working variables
$strAnchor = (defined($strAnchor) ? "${strAnchor}/" : '') . $oSection->paramGet('id');
# Create the section toc element
my $oSectionTocElement = new BackRestDoc::Html::DocHtmlElement(HTML_DIV, "section${iDepth}-toc");
# Create the section element
my $oSectionElement = new BackRestDoc::Html::DocHtmlElement(HTML_DIV, "section${iDepth}");
# Add the section anchor
$oSectionElement->addNew(HTML_A, undef, {strId => $strAnchor});
# Add the section title to section and toc
my $strSectionTitle = $self->processText($oSection->nodeGet('title')->textGet());
$oSectionElement->
addNew(HTML_DIV, "section${iDepth}-title",
{strContent => $strSectionTitle});
my $oTocSectionTitleElement = $oSectionTocElement->
addNew(HTML_DIV, "section${iDepth}-toc-title");
$oTocSectionTitleElement->
addNew(HTML_A, undef,
{strContent => $strSectionTitle, strRef => "#${strAnchor}"});
# Add the section intro if it exists
if (defined($oSection->textGet(false)))
{
$oSectionElement->
addNew(HTML_DIV, "section-intro",
{strContent => $self->processText($oSection->textGet())});
}
# Add the section body
my $oSectionBodyElement = $oSectionElement->addNew(HTML_DIV, "section-body");
# Process each child
my $oSectionBodyExe;
foreach my $oChild ($oSection->nodeList())
{
&log(DEBUG, (' ' x ($iDepth + 2)) . 'process child ' . $oChild->nameGet());
# Execute a command
if ($oChild->nameGet() eq 'execute-list')
{
my $oSectionBodyExecute = $oSectionBodyElement->addNew(HTML_DIV, "execute");
my $bFirst = true;
my $strHostName = $self->{oManifest}->variableReplace($oChild->paramGet('host'));
$oSectionBodyExecute->
addNew(HTML_DIV, "execute-title",
{strContent => "<span class=\"host\">${strHostName}</span> <b>&#x21d2;</b> " .
$self->processText($oChild->nodeGet('title')->textGet())});
my $oExecuteBodyElement = $oSectionBodyExecute->addNew(HTML_DIV, "execute-body");
foreach my $oExecute ($oChild->nodeList('execute'))
{
my $bExeShow = !$oExecute->paramTest('show', 'n');
my $bExeExpectedError = defined($oExecute->paramGet('err-expect', false));
my ($strCommand, $strOutput) = $self->execute($oSection, $strHostName, $oExecute, $iDepth + 3);
if ($bExeShow)
{
# Add continuation chars and proper spacing
$strCommand =~ s/\n/\n /smg;
$oExecuteBodyElement->
addNew(HTML_PRE, "execute-body-cmd",
{strContent => $strCommand, bPre => true});
my $strHighLight = $self->{oManifest}->variableReplace($oExecute->fieldGet('exe-highlight', false));
my $bHighLightFound = false;
if (defined($strOutput))
{
my $bHighLightOld;
my $strHighLightOutput;
if ($oExecute->fieldTest('exe-highlight-type', 'error'))
{
$bExeExpectedError = true;
}
foreach my $strLine (split("\n", $strOutput))
{
my $bHighLight = defined($strHighLight) && $strLine =~ /$strHighLight/;
if (defined($bHighLightOld) && $bHighLight != $bHighLightOld)
{
$oExecuteBodyElement->
addNew(HTML_PRE, 'execute-body-output' .
($bHighLightOld ? '-highlight' . ($bExeExpectedError ? '-error' : '') : ''),
{strContent => $strHighLightOutput, bPre => true});
undef($strHighLightOutput);
}
$strHighLightOutput .= (defined($strHighLightOutput) ? "\n" : '') . $strLine;
$bHighLightOld = $bHighLight;
$bHighLightFound = $bHighLightFound ? true : $bHighLight ? true : false;
}
if (defined($bHighLightOld))
{
$oExecuteBodyElement->
addNew(HTML_PRE, 'execute-body-output' .
($bHighLightOld ? '-highlight' . ($bExeExpectedError ? '-error' : '') : ''),
{strContent => $strHighLightOutput, bPre => true});
}
$bFirst = true;
}
if ($self->{bExe} && $self->isRequired($oSection) && defined($strHighLight) && !$bHighLightFound)
{
confess &log(ERROR, "unable to find a match for highlight: ${strHighLight}");
}
}
$bFirst = false;
}
}
# Add code block
elsif ($oChild->nameGet() eq 'code-block')
{
$oSectionBodyElement->
addNew(HTML_DIV, 'code-block',
{strContent => $oChild->valueGet()});
}
# Add descriptive text
elsif ($oChild->nameGet() eq 'p')
{
$oSectionBodyElement->
addNew(HTML_DIV, 'section-body-text',
{strContent => $self->processText($oChild->textGet())});
}
# Add option descriptive text
elsif ($oChild->nameGet() eq 'option-description')
{
my $strOption = $oChild->paramGet("key");
my $oDescription = ${$self->{oReference}->{oConfigHash}}{&CONFIG_HELP_OPTION}{$strOption}{&CONFIG_HELP_DESCRIPTION};
if (!defined($oDescription))
{
confess &log(ERROR, "unable to find ${strOption} option in sections - try adding command?");
}
$oSectionBodyElement->
addNew(HTML_DIV, 'section-body-text',
{strContent => $self->processText($oDescription)});
}
# Add/remove backrest config options
elsif ($oChild->nameGet() eq 'backrest-config')
{
my $oConfigElement = $self->backrestConfigProcess($oSection, $oChild, $iDepth + 3);
if (defined($oConfigElement))
{
$oSectionBodyElement->add($oConfigElement);
}
}
# Add/remove postgres config options
elsif ($oChild->nameGet() eq 'postgres-config')
{
my $oConfigElement = $self->postgresConfigProcess($oSection, $oChild, $iDepth + 3);
if (defined($oConfigElement))
{
$oSectionBodyElement->add($oConfigElement);
}
}
# Add a subsection
elsif ($oChild->nameGet() eq 'section')
{
my ($oChildSectionElement, $oChildSectionTocElement) =
$self->sectionProcess($oChild, $strAnchor, $iDepth + 1);
$oSectionBodyElement->add($oChildSectionElement);
$oSectionTocElement->add($oChildSectionTocElement);
}
# Check if the child can be processed by a parent
else
{
$self->sectionChildProcess($oSection, $oChild, $iDepth + 1);
}
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'oSectionElement', value => $oSectionElement, trace => true},
{name => 'oSectionTocElement', value => $oSectionTocElement, trace => true}
);
}
####################################################################################################################################
# backrestConfigProcess
####################################################################################################################################
sub backrestConfigProcess
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oSection,
$oConfig,
$iDepth
) =
logDebugParam
(
OP_DOC_HTML_PAGE_BACKREST_CONFIG_PROCESS, \@_,
{name => 'oSection'},
{name => 'oConfig'},
{name => 'iDepth'}
);
# Generate the config
my $oConfigElement;
my ($strFile, $strConfig, $bShow) = $self->backrestConfig($oSection, $oConfig, $iDepth);
if ($bShow)
{
my $strHostName = $self->{oManifest}->variableReplace($oConfig->paramGet('host'));
# Render the config
$oConfigElement = new BackRestDoc::Html::DocHtmlElement(HTML_DIV, "config");
$oConfigElement->
addNew(HTML_DIV, "config-title",
{strContent => "<span class=\"host\">${strHostName}</span>:<span class=\"file\">${strFile}</span>" .
" <b>&#x21d2;</b> " . $self->processText($oConfig->nodeGet('title')->textGet())});
my $oConfigBodyElement = $oConfigElement->addNew(HTML_DIV, "config-body");
#
# $oConfigBodyElement->
# addNew(HTML_DIV, "config-body-title",
# {strContent => "${strFile}:"});
$oConfigBodyElement->
addNew(HTML_DIV, "config-body-output",
{strContent => $strConfig});
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'oConfigElement', value => $oConfigElement, trace => true}
);
}
####################################################################################################################################
# postgresConfigProcess
####################################################################################################################################
sub postgresConfigProcess
{
my $self = shift;
# Assign function parameters, defaults, and log debug info
my
(
$strOperation,
$oSection,
$oConfig,
$iDepth
) =
logDebugParam
(
OP_DOC_HTML_PAGE_POSTGRES_CONFIG_PROCESS, \@_,
{name => 'oSection'},
{name => 'oConfig'},
{name => 'iDepth'}
);
# Generate the config
my $oConfigElement;
my ($strFile, $strConfig, $bShow) = $self->postgresConfig($oSection, $oConfig, $iDepth);
if ($bShow)
{
# Render the config
my $strHostName = $self->{oManifest}->variableReplace($oConfig->paramGet('host'));
$oConfigElement = new BackRestDoc::Html::DocHtmlElement(HTML_DIV, "config");
$oConfigElement->
addNew(HTML_DIV, "config-title",
{strContent => "<span class=\"host\">${strHostName}</span>:<span class=\"file\">${strFile}</span>" .
" <b>&#x21d2;</b> " . $self->processText($oConfig->nodeGet('title')->textGet())});
my $oConfigBodyElement = $oConfigElement->addNew(HTML_DIV, "config-body");
# $oConfigBodyElement->
# addNew(HTML_DIV, "config-body-title",
# {strContent => "append to ${strFile}:"});
$oConfigBodyElement->
addNew(HTML_DIV, "config-body-output",
{strContent => defined($strConfig) ? $strConfig : '<No PgBackRest Settings>'});
$oConfig->fieldSet('actual-config', $strConfig);
}
# Return from function and log return values if any
return logDebugReturn
(
$strOperation,
{name => 'oConfigElement', value => $oConfigElement, trace => true}
);
}
1;