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many changes from Alpha #1

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peteyboy merged 7 commits from uris into develop 2024-06-24 20:21:34 -04:00
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1 changed files with 235 additions and 108 deletions
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connex.pl
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@ -1,32 +1,40 @@
#!/usr/bin/perl -w
#connex.pl Nightfall Express (nex://) browser
#TODO: Some branding (status popup on load?, Connex menu item?), About dialog
#TODO: Help dialog
use strict;
use warnings;
use strict;
use Curses::UI;
use Net::Telnet;
use URI::Split;
use URI::Split qw(uri_split uri_join);
use URI ();
my $HOST_DEFAULT = "nightfall.city";
my $PATHSPEC_DEFAULT = '';
my $PORT_DEFAULT = 1900;
my $PROT_NEX = "nex://";
my $SCHEME_NEX = "nex";
my $home_default= $PROT_NEX . $HOST_DEFAULT;
my $home_default= $SCHEME_NEX . $HOST_DEFAULT;
my $host = "nightfall.city";
my $port = "1900";
my $pathspec = "";
my $docname = "";
my $docname; # = "";
my $doctype = "txt";
my $dot_ext = ".";
my @history;
my $HOME_URL = uri_join($SCHEME_NEX,$HOST_DEFAULT);
my $full_url = $HOME_URL;
my @history;
my @page_links;
my $statusbar;
my $navwindow;
my $win1;
my $cui = new Curses::UI( -color_support => 1 );
my $connect = new Net::Telnet (Timeout => 10,
@ -34,10 +42,11 @@ my $connect = new Net::Telnet (Timeout => 10,
my @menu = (
{ -label => 'File',
-submenu => [
{ -label => 'Go to Link ^G', -value => \&goto_link_dialog },
{ -label => 'Change Site ^C', -value => \&goto_site_dialog },
{ -label => 'Go to Link ^G', -value => \&navigate_link_dialog },
{ -label => 'Choose Link >', -value => \&goto_link_dialog },
{ -label => 'Back ^B', -value => \&goto_back },
{ -label => 'History ^H', -value => "\&history_status_dialog" },
{ -label => 'History ^H', -value => \&history_status_dialog },
{ -label => 'Page Links ^P', -value => \&page_links_dialog },
{ -label => 'Exit ^Q', -value => \&exit_dialog }
]
},
@ -47,8 +56,8 @@ my @menu = (
sub exit_dialog()
{
my $return = $cui->dialog(
-message => "Really quit?",
-title => "Are you sure?",
-title => "Quit Connex?",
-message => "Are you sure?",
-buttons => ['yes', 'no'],
);
@ -56,60 +65,102 @@ sub exit_dialog()
exit(0) if $return;
}
sub goto_link_dialog()
sub links_dialog()
{
my $return = $cui->question(-question => "This is [$host/ $pathspec]. Enter destination link:",
-answer => $pathspec,
);
navigate($return);
my $return = $cui->dialog(
-message => page_links_list(),
-title => "Page Links",
-buttons => ['ok'],
);
}
sub goto_site_dialog()
sub unsupported_dialog
{
my $scheme = shift;
my $return = $cui->dialog(
-message => "$scheme protocol not supported.",
-title => "Bad Navigation",
-buttons => ['ok'],
);
my $return = $cui->question(-question => "This is [$host/ $pathspec]. Visit site:",
-answer => $host,
);
if ($return){
my $site = $return;
if($site ne ''){
$host = $site;
add_history($host);
load($pathspec);
update_status_bar();
}
history_status_dialog();
}
sub navigate_link_dialog()
{
my $return = $cui->question(-question => "This is [$full_url]. Enter destination link:",
-answer => $full_url,
);
#if not user canceled then navigate
if($return){
navigate($return);
update_status_bar();
}
}
sub goto_link_dialog()
{
my $return = $cui->question(-question => "Enter link #:",
);
#if not canceled, or too big or too small, goto link
if($return){
my $linkcount = scalar @page_links;
if($return <= $linkcount && $return >0){
goto_link($return);
update_status_bar();
}else{
#$browser->focus();
my $return1 = $cui->status("there is no link # " . $return);
}
#do nothing on cancel
}
}
sub goto_back()
{
my $fetched = fetch_history();
#if($fetched) {
$pathspec =$fetched;
load($pathspec);
$full_url =$fetched;
load($full_url,0); #don't move back to top
update_status_bar();
history_status_dialog();
#}
#}
}
sub goto_link{
my $linknum = shift;
my $linkcount = scalar @page_links;
#my $element=$linknum -1; #offset for array element
#if ($element <= $#page_links){ #such a perlism, this is highest INDEX of array
if ($linknum <= $linkcount){ #such a perlism, this is highest INDEX of array
navigate($page_links[$linknum-1]); #offset from count to index
}else{
#my $browser = $win1->getobj("browser");
#$browser->focus();
my $return = $cui->status("no link # " . $linknum);
}
}
sub navigate{
my $link = shift;
#if ($link){
# if($link ne ''){
add_history($pathspec); #add last link to history before going forward!
$pathspec = $link;
load($pathspec);
# }else {
# $pathspec = '';
# }
update_status_bar();
#}
add_history($full_url); #add last link to history before going forward!
$full_url = $link;
load($full_url, 1); #new URL go to top of page
}
@ -118,7 +169,8 @@ sub update_status_bar
{
my $browser = $win1->getobj("browser");
my $statusbar = $win1->getobj("status");
$statusbar->text("Current site: $host, current link: [$pathspec]");
#$full_url = construct_valid_url($SCHEME_NEX, $host, $pathspec, $docname);
$statusbar->text("$full_url" . " | Press '>' key to enter link #. ctl-g to enter nex URL. '<' to go back.");
$statusbar->draw();
$browser->focus();
@ -129,7 +181,6 @@ sub update_status_bar
sub add_history
{
my $link = shift;
print ("link $link");
push(@history, $link);
history_status_dialog();
return;
@ -142,7 +193,7 @@ sub fetch_history
$latest = pop(@history);
return $latest;
}else{
return($PATHSPEC_DEFAULT);
return($HOME_URL);
}
}
@ -152,12 +203,43 @@ sub history_status_dialog
if(@history){
my $browser = $win1->getobj("browser");
$browser->focus();
my $history_list = join(", ", @history);
my $return = $cui->status("$history_list");
my $history_list = join("\n", @history);
my $return = $cui->status("history:\n$history_list");
}
}
sub page_links_dialog
{
if(@page_links){
my $browser = $win1->getobj("browser");
$browser->focus();
#my $link_list = join("\n", @page_links);
my $link_list = page_links_list();
my $return = $cui->status("links on this page:\n$link_list");
}
}
sub page_links_list
{
if(@page_links){
my $browser = $win1->getobj("browser");
$browser->focus();
#my $link_list = join("\n", @page_links);
my $link_list="";
my $link;
my $count=0;
foreach $link (@page_links){
$count+=1;
$link_list = $link_list . "[$count] $link\n";
}
return $link_list;
}
}
my $menu = $cui->add(
'menu','Menubar',
-menu => \@menu,
@ -173,6 +255,9 @@ $win1 = $cui->add(
-vscrollbar => 'right',
);
my $texteditor = $win1->add("browser", "TextViewer",
-text => "Start Page",
-border => 1,
@ -195,7 +280,7 @@ $statusbar = $win1->add("status", "TextViewer",
-width => -1,
-reverse => 1,
-paddingspaces => 1,
-text => "Current site: $HOST_DEFAULT, current link: [/]",
-text => "$HOME_URL | Press '>' key to enter link #. ctl-g to enter nex URL. '<' to go back.",
);
@ -204,78 +289,120 @@ $statusbar = $win1->add("status", "TextViewer",
#key bindings, should match menu items
$cui->set_binding(sub {$menu->focus()}, "\cX");
$cui->set_binding( \&exit_dialog , "\cQ");
$cui->set_binding( \&goto_link_dialog , "\cG");
$cui->set_binding( \&navigate_link_dialog , "\cG");
$cui->set_binding( \&goto_back , "\cB");
$cui->set_binding( \&goto_site_dialog , "\cC");
$cui->set_binding( \&goto_back , "<");
$cui->set_binding( \&goto_link_dialog , ">");
$cui->set_binding(sub {
my $cui = shift;
$cui->layout;
$cui->draw;
}, "\cL");
# There is no need for the editor widget to loose focus, so
# the "loose-focus" binding is disabled here. This also enables the
# use of the "TAB" key in the editor, which is nice to have.
$texteditor->clear_binding('loose-focus');
#start up
$texteditor->focus();
#$texteditor->focus();
navigate('');
navigate($HOME_URL);
$cui->mainloop();
#pick apart nex:// urls, which we should be using
#sub parse_url #need to pass in url; and host, pathspec, file variables to be filled
#{
# my $url = @_[0];
# my $host = url;
# host =~ s/^nex://([a-z0-9]*)\/[a-z0-9\/\.]*$/$1/;
# my $pathspec = url;
# pathspec =~ s/^nex://[a-z0-9]*(\/[a-z0-9\/]*)[[a-z0-9\.]*$)/$1/;
# my $file = $url
#
#}
#make nex:// urls from parts, relative urls
#sub construct_valid_url #protocol, host, pathspec
#{
# my $protocol = shift;
# my $host = shift;
# my $pathspec = shift;
# my $file = shift;
# my $url = $protocol;
#need error handling
#what about the end slash and files vs index?
# $url = $protocol . $host;
# if ($pathspec){
# $url = $url . '/' . $pathspec;
# if ($file){
# $url = $url . '.' $file;
# }
# }
# return $url;
#}
sub construct_valid_url #scheme, host, pathspec, docname
{
my $scheme = shift;
my $host = shift;
my $pathspec = shift;
my $docname = shift;
if (defined($docname)){
$pathspec= $pathspec . '/' . $docname; #this is just local pathspec
}
my $url = uri_join($scheme, $host, $pathspec);
return $url;
}
sub is_path_index{
my $path = shift;
my $result = 1;
if ($path !~ /\/$/ && $path =~ /\.[a-zA-Z]*$/){
$result =0;
}
return($result);
}
sub add_page_link{
my $linkline = shift;
my $base_url = shift;
my $uri_object;
#my $link= $linkline=~ s/^=>[ ]*(.*$)/$1/r;
local $URI::ABS_ALLOW_RELATIVE_SCHEME = 1;
local $URI::ABS_REMOTE_LEADING_DOTS = 1;
$uri_object=URI->new_abs($linkline=~ /^=>[ ]+([^ ]*)/,$base_url);
push(@page_links, $uri_object->as_string);
my $count = scalar @page_links; #scalar is size/count of links, but $#page_links is highest INDEX
return $linkline =~ s/(^=>.*$)/$1 [\>$count\]/r;
}
sub load
{
my $pathspec = shift;
my @lines;
my $ok;
$connect->host($host);
$connect->port($port);
$ok= $connect->open($host);
$ok= $connect->print($pathspec);
@lines =$connect->getlines(ErrMode=> 'return');
print $connect->eof();
#handle non-existant request?
die unless $connect->eof();
$connect->close();
my $widget= $texteditor;
my $loaded_text ="";
my $currentline;
my $count=0;
foreach $currentline (@lines){
if ($currentline =~ m/^=>/){
$count+=1;
$currentline =~ s/(^=>.*$)/$1 [\>$count\]/;
}
$loaded_text= $loaded_text . $currentline;
}
$widget->text($loaded_text);
my $url = shift;
my $top = shift;
#my $scheme, $host, $path, $query, $frag;
my ($scheme, $host, $path, $query, $frag) = uri_split($url);
#what happens with different scheme?
if ($scheme eq $SCHEME_NEX){
$connect->host($host);
$connect->port($port);
$ok= $connect->open($host);
$ok= $connect->print($path);
@lines =$connect->getlines(ErrMode=> 'return');
print $connect->eof();
#handle non-existant request?
die unless $connect->eof();
$connect->close();
my $widget= $texteditor;
#loop through nex response and load into text editor. Identify, mark and store link lines for index pages
#TODO: store link lines for index pages
my $page_contents =""; #this is the page contents
my $currentline;
my $count=0;
my $is_index= is_path_index($path);
undef @page_links; #clear list
foreach $currentline (@lines){
if ($currentline =~ m/^=>/){
if ($is_index){
$currentline = add_page_link($currentline, $url);
}
}
$page_contents= $page_contents . $currentline;
}
$widget->text($page_contents);
$widget->draw();
if ($top){
$widget->pos(0);
}
}else{
#can't load non-nex as of now
my $browser = $win1->getobj("browser");
$browser->focus();
my $return = unsupported_dialog($scheme);
#pop and trash history
my $fetched = fetch_history();
}
}