<HTML> <HEAD> <TITLE>P4CGI - Support for CGI's that interface p4. Written specifically for P4DB </TITLE> </HEAD> <BODY> <!-- INDEX BEGIN --> <UL> <LI><A HREF="#CONSTANTS">CONSTANTS</A> <UL> <LI><A HREF="#Url_s">Url's</A> <LI><A HREF="#Data_file_update_scripts">Data file update scripts</A> <LI><A HREF="#Constants_for_Depot_Tree_Browser">Constants for Depot Tree Browser</A> </UL> <LI><A HREF="#SUBROUTINES">SUBROUTINES</A> <UL> <LI><A HREF="#P4CGI_cgi_">P4CGI::cgi()</A> <LI><A HREF="#P4CGI_p4call_I_result_I_comman">P4CGI::p4call(<EM>result</EM>,<EM>command</EM>)</A> <LI><A HREF="#P4CGI_start_page_I_title_I_le">P4CGI::start_page(<EM>title</EM>[,<EM>legend</EM>])</A> <LI><A HREF="#P4CGI_end_page_">P4CGI::end_page()</A> <LI><A HREF="#P4CGI_bail_I_message_">P4CGI::bail(<EM>message</EM>)</A> <LI><A HREF="#P4CGI_start_table_I_table_attri">P4CGI::start_table(<EM>table_attribute_text</EM>)</A> <LI><A HREF="#P4CGI_end_table_">P4CGI::end_table()</A> <LI><A HREF="#P4CGI_table_row_I_options_I_li">P4CGI::table_row(<EM>options</EM>,<EM>listOfValues</EM>)</A> <LI><A HREF="#P4CGI_ul_list_I_list_">P4CGI::ul_list(<EM>list</EM>)</A> <LI><A HREF="#P4CGI_dl_list_I_list_of_pairs_">P4CGI::dl_list(<EM>list_of_pairs</EM>)</A> <LI><A HREF="#P4CGI_valid_lockfile_I_file_">P4CGI::valid_lockfile(<EM>file</EM>)</A> <LI><A HREF="#P4CGI_create_lockfile_I_file_">P4CGI::create_lockfile(<EM>file</EM>)</A> <LI><A HREF="#P4CGI_fixSpecChar_I_str_">P4CGI::fixSpecChar(<EM>str</EM>)</A> <LI><A HREF="#P4CGI_ahref_I_options_I_parame">P4CGI::ahref(<EM>options</EM>,<EM>parameters</EM>,<EM>text</EM>)</A> <LI><A HREF="#P4CGI_magic_I_text_">P4CGI::magic(<EM>text</EM>)</A> </UL> </UL> <!-- INDEX END --> <HR> <P> <HR> <H1><A NAME="CONSTANTS">CONSTANTS </A></H1> The constants are defined as perl subroutines. <P> <P> <HR> <H2><A NAME="Url_s">Url's </A></H2> <DL> <DT><STRONG><A NAME="item_P4CGI">P4CGI::MAIN_URL() </A></STRONG><DD> Main entry point. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::DTB_URL() </A></STRONG><DD> URL to depot tree browser. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::CHB_URL() </A></STRONG><DD> URL to change browser. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::CHV_URL() </A></STRONG><DD> URL to change viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::FV_URL() </A></STRONG><DD> URL to file viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::SFV_URL() </A></STRONG><DD> URL to special file viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::FLV_URL() </A></STRONG><DD> URL to file log viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::FDV_URL() </A></STRONG><DD> URL to file diff viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LDV_URL() </A></STRONG><DD> URL to label diff viewer. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::SFF_URL() </A></STRONG><DD> URL to search for file. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LAU_URL() </A></STRONG><DD> URL to list all users. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LU_URL() </A></STRONG><DD> URL to view a user. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LAB_URL() </A></STRONG><DD> URL to list all branches. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LAL_URL() </A></STRONG><DD> URL to list all labels. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::LV_URL() </A></STRONG><DD> URL to view a labels. <P> </DL> <P> <HR> <H2><A NAME="Data_file_update_scripts">Data file update scripts </A></H2> <DL> <DT><STRONG><A NAME="item_P4CGI">P4CGI::DTB_UPDATE() </A></STRONG><DD> Update data files for depot tree browser. <P> </DL> <P> <HR> <H2><A NAME="Constants_for_Depot_Tree_Browser">Constants for Depot Tree Browser </A></H2> <DL> <DT><STRONG><A NAME="item_P4CGI">P4CGI::DTB_LOCKFILE() </A></STRONG><DD> Lock file name <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::DTB_FILESPLIT() </A></STRONG><DD> Number of data files to split data to. <P> <DT><STRONG><A NAME="item_P4CGI">P4CGI::DTB_DATAFILE() </A></STRONG><DD> Data file base name <P> </DL> <P> <HR> <H1><A NAME="SUBROUTINES">SUBROUTINES </A></H1> <P> <HR> <H2><A NAME="P4CGI_cgi_">P4CGI::cgi() </A></H2> Return CGI reference <P> Example: <P> <PRE> my $file = P4CGI::cgi()->param("file") ; print "Parameter \"file\" value: $file\n" ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_p4call_I_result_I_comman">P4CGI::p4call(<EM>result</EM>,<EM>command</EM>) </A></H2> Request data from p4. Calls p4 with command <EM>command</EM> and returns data in <EM>result</EM>. <P> This function is really three different functions depeding in the type of the <EM>result</EM> parameter. <P> <DL> <DT><STRONG><A NAME="item_result">result </A></STRONG><DD> This parameter can be of three different types: <P> <DL> <DT><STRONG><A NAME="item_Filehandle">Filehandle (typeglob) </A></STRONG><DD> Data from command can be read from filehandle. NOTE! File must be closed by caller. <P> <DT><STRONG><A NAME="item_Reference">Reference to array </A></STRONG><DD> Returns result from command in array (newlines stripped) <P> <DT><STRONG>Reference to scalar </A></STRONG><DD> Returns result from command in scalar. (lines separated by newline) <P> </DL> Any other type of parameter will abort operation <P> <DT><STRONG><A NAME="item_command">command </A></STRONG><DD> Command to send to p4 command line client. <P> </DL> Example: <P> <PRE> my $d ; &P4CGI::p4call(\$d,"changes -m 1") ; $d =~ /Change (\d+)/ or &bail("No contact with P4 server") ; $currentChangeLevel=$1 ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_start_page_I_title_I_le">P4CGI::start_page(<EM>title</EM>[,<EM>legend</EM>]) </A></H2> Start a page. Print http header and first part of HTML. <P> <DL> <DT><STRONG><A NAME="item_title">title </A></STRONG><DD> Title of page <P> <DT><STRONG><A NAME="item_legend">legend (Optional) </A></STRONG><DD> Short help text to be displayed at top of page <P> </DL> Example: <P> <PRE> my $start = P4CGI::start_page("Title of page", &P4CGI::dl_list("This","Goto this", "That","Goto that")) ; print $start ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_end_page_">P4CGI::end_page() </A></H2> End a page. Print HTML trailer. <P> Example: <P> <PRE> print P4CGI::end_page() ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_bail_I_message_">P4CGI::bail(<EM>message</EM>) </A></H2> Report an error. This routine will emit HTML code for an error message and exit. <P> <DL> <DT><STRONG><A NAME="item_message">message Message that will be displayed to user </A></STRONG><DD> </DL> Example: <P> <PRE> unless(defined $must_be_defined) { &P4CGI::bail("was not defined") ; } ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_start_table_I_table_attri">P4CGI::start_table(<EM>table_attribute_text</EM>) </A></H2> Start a table with optional table attributes <P> <DL> <DT><STRONG><A NAME="item_table_attribute_text">table_attribute_text </A></STRONG><DD> This text will be inserted as attributes to table tag <P> </DL> Example: <P> <PRE> print P4CGI::start_table("align=center border") ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_end_table_">P4CGI::end_table() </A></H2> Return end of table string. (trivial function included mostly for symmetry) <P> <P> <HR> <H2><A NAME="P4CGI_table_row_I_options_I_li">P4CGI::table_row(<EM>options</EM>,<EM>listOfValues</EM>) </A></H2> Insert a row in table. <P> <DL> <DT><STRONG><A NAME="item_options">options </A></STRONG><DD> A list of key/value pairs (a hash will do just fine) containing options for the row. <P> The key must start with a ``-''. <P> Most key/value pairs are treated as attributes to the <TR>-tag. The following keys are recognized as special: <P> <DL> <DT><STRONG><A NAME="item__type">-type </A></STRONG><DD> Type of cells. Default is <TD>-type. <P> <DT><STRONG><A NAME="item__anykey">-anykey </A></STRONG><DD> <EM>anykey</EM> will be assumed to be a row option and will be inserted in the TR-tag. The value for the option is the key value, unless value is empty or undefined, in which case the option anykey is assumed to have no value. <P> </DL> <DT><STRONG><A NAME="item_listOfValues">listOfValues </A></STRONG><DD> Row data. Remaining values are assumed to be data for each cell. The data is typically the text in the cell but can also be: <P> <DL> <DT><STRONG><A NAME="item_undef">undef </A></STRONG><DD> An undefined value indicates that the next cell spans more than one column. <P> <DT><STRONG>Reference to a hash </A></STRONG><DD> The has contains two keys: ``-text'' for cell text and ``-type'' for cell type. All other key/value pairs are treated as attributes to the <TD> or <TH> tag. <P> </DL> </DL> Example: <P> <PRE> print P4CGI::start_table("align=center") ; ### print header row print P4CGI::table_row(-type => "th", -valign => "top", -align => "left", "Heading 1","Heading 2",undef,"Heading 3") ; ### print data my %h = (-text => "text in hash", -bgcolor => "blue") ; print P4CGI::table_row(-valign => "top", -bgcolor => "white", "Cell 1", {-text => "Cell 2", -bgcolor => "red"}, \%h, "Cell 3-2") ; print P4CGI::end_table() ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_ul_list_I_list_">P4CGI::ul_list(<EM>list</EM>) </A></H2> Return a bulleted list. <P> <DL> <DT><STRONG><A NAME="item_list">list </A></STRONG><DD> Lits of data to print as bulleted list <P> </DL> Example: <P> <PRE> print P4CGI::ul_list("This","is","a","bulleted","list") ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_dl_list_I_list_of_pairs_">P4CGI::dl_list(<EM>list_of_pairs</EM>) </A></H2> Returns a definition list. <P> <DL> <DT><STRONG><A NAME="item_list_of_pairs">list_of_pairs </A></STRONG><DD> List of data pairs to print as a definition list. A hash will do just fine, only that You have no control of the order in the list. <P> </DL> Example: <P> <PRE> print P4CGI::dl_list("This","Description of this", "That","Description of that") ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_valid_lockfile_I_file_">P4CGI::valid_lockfile(<EM>file</EM>) </A></H2> Check if <EM>file</EM> is a valid lock file. Return true if <EM>file</EM> is a valid lock file. <P> <DL> <DT><STRONG><A NAME="item_file">file </A></STRONG><DD> Name of lock file <P> </DL> Example: <P> <PRE> if(P4CGI::valid_lockfile("/tmp/lockfile")) { print "Locked\n" ; } </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_create_lockfile_I_file_">P4CGI::create_lockfile(<EM>file</EM>) </A></H2> Create a valid lock file for this process. Returns true if success. <P> <DL> <DT><STRONG>file </A></STRONG><DD> Name of lock file <P> </DL> Example: <P> <PRE> P4CGI::create_lockfile("/tmp/lockfile") or die "can't create lockfile!" ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_fixSpecChar_I_str_">P4CGI::fixSpecChar(<EM>str</EM>) </A></H2> Convert all '>' to ``<CODE>&gt;</CODE>'', '<' to ``<CODE>&lt;</CODE>'' and '&' to ``<CODE>&amp;</CODE>''. <P> <DL> <DT><STRONG><A NAME="item_str">str </A></STRONG><DD> String to convert <P> </DL> Example: <P> <PRE> my $cvstr = &P4CGI::fixSpecChar("String containing <,> and &") ; </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_ahref_I_options_I_parame">P4CGI::ahref(<EM>options</EM>,<EM>parameters</EM>,<EM>text</EM>) </A></H2> Create a <A HREF...>...</A> tag pair. <P> <DL> <DT><STRONG>options </A></STRONG><DD> Optional list of option-value pairs. Valid options are: <P> <DL> <DT><STRONG><A NAME="item__url">-url </A></STRONG><DD> Url for link. Default is current. <P> <DT><STRONG><A NAME="item__anchor">-anchor </A></STRONG><DD> Anchor in url. Default is none. <P> </DL> Any non-valid option marks the end of the options <P> <DT><STRONG><A NAME="item_parameters">parameters </A></STRONG><DD> Optional list of parameters for link. <P> <DT><STRONG><A NAME="item_text">text </A></STRONG><DD> The last parameter is used as text for link. <P> </DL> Example: <P> <PRE> print &P4CGI::ahref("Back to myself") ; # link to this. No parameters. </PRE> <P> <PRE> print &P4CGI::ahref("-url","www.perforce.com", "To perforce") ; # link to perforce </PRE> <P> <PRE> print &P4CGI::ahref("-anchor","THERE", "Go there") ; # link to anchor THERE </PRE> <P> <PRE> print &P4CGI::ahref("-url","chb.cgi", "FSPC=//depot/.../doc/...", "Changes for all documentation") ; # url with parameter </PRE> <P> <P> <HR> <H2><A NAME="P4CGI_magic_I_text_">P4CGI::magic(<EM>text</EM>) </A></H2> Substitutes magic phrases in <EM>text</EM> with links. <P> Currently the pattern ``change <EM>number</EM>'' is replaced with a link to the change browser. <P> Example: <P> <PRE> my $t = "This change is the same as change 4711, but with a twist" ; </PRE> <P> <PRE> print &P4CGI::magic($t) ; # inserts a link to change 4711 </PRE> <P> </DL> </BODY> </HTML>
# | Change | User | Description | Committed | |
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#1 | 5093 | Hari Krishna Dara |
Populating perforce branch. I will be adding p4admin files to it. |
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#1 | 1885 | rmg |
For posterity: Make the old version appear in a "P4DB_0" subdirectory. (I'd have called it 0.99, but I'm not sure it really *is* 0.99!) |
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//guest/perforce_software/utils/p4db/P4CGI.html | |||||
#1 | 11 | Perforce maintenance | Add Fredric Fredricson's depot browser, P4DB. |