# Server Side Include commands

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These commands should be written in a .shtml file that is indexed as a FileResource associated with a SSIFrame. The commands are separated in two parts:

- Commands
  1. ConfigCommand
  2. CookieCommand
  3. CountCommand
  4. EchoCommand
  5. ExecCommand
  6. FLastCommand
  7. FSizeCommand
  8. IncludeCommand
  9. jdbcCommand
  10. ServletCommand
- Control Commands
  1. CounterCommand
  2. ElseCommand
  3. EndifCommand
  4. EndloopCommand
  5. ExitloopCommand
  6. IfCommand
  7. LoopCommand

A complete example.

## Commands

#### ConfigCommand

  Used to set the sizefmt and datefmt variables, which control the output of file sizes and dates.
  Parameters:
  - datefmt = the date format
  - sizefmt = the size format
  Example:

      <!--#config sizefmt="bytes" -->

#### CookieCommand

  Cookies access from server side includes.
  Parameters:
  - get = name of the cookie to get
  - alt = alternative value
  - if = name of the cookie (just to test if the cookie exists)
  - then = value
  Examples:

      <!--#cookie get="C1" alt="hello" -->,
      display the value of the cookie "C1" or "hello" if the cookie
      is not in the incomming request.

      <!--#cookie if="C1" then="hello" alt="bye"-->,
      display "hello" if the cookie "C1" is in the request. If not display "bye"

#### CountCommand

  This command inserts the number of recorded accesses to this resource, as reported by CounterFilter.
  Parameters: none
  Example:

      <!--#hitcount -->

#### EchoCommand

  The echo SSI command. As extensions, it has the parameters "reqstate" (for echoing Jigsaw request states) and "reqheader" (for echoing request header).Also, it can take the flag "here", whose presence means that the variable is to be interpreted at the deepest request level (in the case of chained internal requests), instead of doing so at the top (external request) level. It inserts the value of a variable in the document.
  Parameters:
  - var = a SSI variable
  - reqstate = a Jigsaw request state
  - reqheader = a request header
  - here = a flag
  Examples:

      <!--#echo var="DOCUMENT_URI" -->
      display the document uri

      <!--#echo reqheader="referer"  -->
      display the referer header of the request

      <!--#echo reqstate="pathinfo"  -->
      display the request state "pahtinfo"

#### ExecCommand

  the SSI exec command. It inserts the output from a CGI script or a shell command in the document. Note that in the Jigsaw architecture CGI scripts are just another resource class, so that no distinction is made between executing a CGI script or including a file.
  Parameters:
  - cmd = the command to execute
  Example:

      <!--#exec cmd="ls -lsa" -->
      display the result of the ls command

#### FLastModCommand

  The standard lastmod SSI command.
  Parameters: none
  Example:

      <!--#flastmod-->

#### FSizeCommand

  The SSI fsize command. It inserts the size of the unparsed file in the document, according to the current value of the variable sizefmt.See configCommand.
  Parameters: none
  Example:

      <!--#fsize -->

#### IncludeCommand

  The SSI include command. (CGI scripts can be included, simply by providing a so-called virtual path to a resource with a CgiFrame).
  Parameters:
  - file = the file to include
  - virtual = a virtual path
  - ifheader = a request header
  - else = a file
  Examples:

      <!--#include file="included.html" -->
      include the file "included.html" in the current file

      <!--#include ifheader="Referer" file="included.html" else="included2.html" -->
      if the request has a Referer header then include "included.html"
      else include "included2.html"

#### jdbcCommand

  The SSI jdbc command allows you to query a SQL database via JDBC. Combinated with some Control Commands, it allows you to display the content of a database easyly.
  Parameters:
  - select = the SQL request
  - url = the database URL
  - driver = the JDBC driver class
  - user = the username
  - password = the password
  - name = the result name
  - column = the column number
  - next = a flag
  Example:

      <!--#jdbc select="SELECT * FROM services" name="result"
          driver="com.imaginary.sql.msql.MsqlDriver"
          url="jdbc:msql://www43.inria.fr:4333/services" -->
      this is the setup of the command.

      <!--#jdbc name="result" next="true" -->
      this command move the pointer to the next line of the result set.

      <!--#jdbc name="result" column="1" -->
      display the first column of the current line.

      <!--#jdbc name="result" column="2" -->
      display the second column of the current line.

      <!--#jdbc name="result" column="3" -->
      display the third column of the current line.

#### ServletCommand

  The SSI servlet command. Servlet can be executed simply by providing a url path to a servlet class.
  Parameters:
  - name = the command identifier
  - code = the servlet URL
  - param = a parameter name
  - value = a parameter value
  Example:

      <!--#servlet name="Snoop" param="p1" value="v1" -->
      <!--#servlet name="Snoop" param="p2" value="v2" -->
      <!--#servlet name="Snoop" param="p3" value="v3" -->
      <!--#servlet name="Snoop" code="/servlet/snoop" -->

## Control Commands

#### CounterCommand

  The SSI counter command. Used to do things like cpt = cpt + 1.
  Parameters:
  - name = the counter identifier
  - init = the init value
  - incr = the value to add to the counter
  - value = a flag
  Example:

      <!--#cpt name="cpt1" init="0" -->
      Initialisation: cpt1 = 0

      <!--#cpt name="cpt1" incr="1" -->
      cpt1 = cpt1 + 1

      <!--#cpt name="cpt1" value="true" -->
      display the current value of cpt1

#### ElseCommand

  Parameters:
  - name = the if command identifier
  Example:

      <!--#else name="if2" -->

#### EndifCommand

  Parameters:
  - name = the if command identifier
  Example:

      <!--#endif name="if2" -->

#### EndloopCommand

  Parameters:
  - name = the loop command identifier
  Example:

      <!--#endloop name="loop2" -->

#### ExitloopCommand

  Parameters:
  - name = the loop command identifier
  - command = a command name (jdbs, cpt)
  - var = a command identifier
  - equals = a string value
  Example:

      <!--#exitloop name="loop2" command="cpt" var="cpt1" equals="4" -->

#### IfCommand

  Parameters:
  - name = the command identifier
  - command = a command name (jdbc, cpt)
  - var = a command identifier
  - equals = a string value
  Example:

      <!--#if name="if2" command="cpt" var="cpt1" equals="2" -->

#### LoopCommand

  Parameters:
  - name = the command identifier
  Example:

      <!--#loop name="loop2" -->

## Example

The following example, display the four first columns of the three first lines of the users database.

          <!--#jdbc name="result2" select="SELECT * FROM users"
              user="bmahe" password=""
              url="jdbc:msql://www43.inria.fr:4333/users"
              driver="com.imaginary.sql.msql.MsqlDriver"  -->

          <table border=2>
            <!--#cpt name="cpt1" init="0" -->
              <tr><td><b>Name </td><td><b>Login</td>
                  <td><b>Email</td><td><b>Age  </td></tr>
              <!--#loop name="loop2" -->

              <!--#jdbc name="result2" next="true" -->

              <tr>
                <td>
                  <!--#jdbc name="result2" column="1" -->
                </td><td>
                  <!--#jdbc name="result2" column="2" -->
                </td><td>
                  <!--#jdbc name="result2" column="3" -->
                </td><td>
                  <!--#jdbc name="result2" column="4" -->
                </td>
              </tr>

              <!--#cpt name="cpt1" incr="1" -->
              <!--#exitloop name="loop2" command="cpt" var="cpt1" equals="3" -->
              <!--#endloop name="loop2" -->

          </table>

          counter value : <!--#cpt name="cpt1" value="true" -->

The result could be:

Name | Login | Email | Age
Smith | ssmith | ssmith@example.org | 25
lafrim | ylafrim | lafrim@example.org | 25
Teole | pteole | teole@example.org | 27

counter value : 3