initial checkin of TclCurl

2014-02-05 16:43:59 -08:00
commit 639b49517b
95 changed files with 30934 additions and 0 deletions
--- a/generic/tclcurl.tcl
+++ b/generic/tclcurl.tcl
@ -0,0 +1,145 @@
+################################################################################
+################################################################################
+####                                  tclcurl.tcl
+################################################################################
+################################################################################
+## Includes the tcl part of TclCurl
+################################################################################
+################################################################################
+## (c) 2001-2011 Andres Garcia Garcia. fandom@telefonica.net
+## See the file "license.terms" for information on usage and redistribution
+## of this file and for a DISCLAIMER OF ALL WARRANTIES.
+################################################################################
+################################################################################
+
+package provide TclCurl 7.22.0
+
+namespace eval curl {
+
+################################################################################
+# configure
+#    Invokes the 'curl-config' script to be able to know what features have
+#    been compiled in the installed version of libcurl.
+#    Possible options are '-prefix', '-feature' and 'vernum'
+################################################################################
+proc ::curl::curlConfig {option} {
+
+    if {$::tcl_platform(platform)=="windows"} {
+        error "This command is not available in Windows"
+    }
+
+    switch -exact -- $option {
+        -prefix {
+            return [exec curl-config --prefix]
+        }
+        -feature {
+            set featureList [exec curl-config --feature]
+            regsub -all {\\n} $featureList { } featureList
+            return $featureList
+        }
+        -vernum {
+            return [exec curl-config --vernum]
+        }
+        -ca {
+            return [exec curl-config --ca]
+        }
+        default {
+            error "bad option '$option': must be '-prefix', '-feature', '-vernum' or '-ca'"
+        }
+    }
+    return
+}
+
+################################################################################
+# transfer
+#    The transfer command is used for simple transfers in which you don't
+#    want to request more than one file.
+#
+# Parameters:
+#    Use the same parameters you would use in the 'configure' command to
+#    configure the download and the same as in 'getinfo' with a 'info'
+#    prefix to get info about the transfer.
+################################################################################
+proc ::curl::transfer {args} {
+    variable getInfo
+    variable curlBodyVar
+
+    set i 0
+    set newArgs ""
+    catch {unset getInfo}
+
+    if {[llength $args]==0} {
+        puts "No transfer configured"
+        return
+    }
+
+    foreach {option value} $args {
+        set noPassOption 0
+        set block        1
+        switch -regexp -- $option {
+            -info.* {
+                set noPassOption 1
+                regsub -- {-info} $option {} option
+                set getInfo($option) $value
+            }
+            -block {
+                set noPassOption 1
+                set block $value
+            }
+            -bodyvar {
+                upvar $value curlBodyVar
+                set    value curlBodyVar
+            }
+            -headervar {
+                upvar $value curlHeaderVar
+                set    value curlHeaderVar
+            }
+            -errorbuffer {
+                upvar $value curlErrorVar
+                set    value curlErrorVar
+            }
+        }
+        if {$noPassOption==0} {
+            lappend newArgs $option $value
+        }
+    }
+
+    if {[catch {::curl::init} curlHandle]} {
+        error "Could not init a curl session: $curlHandle"
+    }
+
+    if {[catch {eval $curlHandle configure $newArgs} result]} {
+        $curlHandle  cleanup
+        error $result
+    }
+
+    if {$block==1} {
+        if {[catch {$curlHandle perform} result]} {
+           $curlHandle cleanup
+           error $result
+        }
+        if {[info exists getInfo]} {
+            foreach {option var} [array get getInfo] {
+                upvar $var info
+                set info [eval $curlHandle getinfo $option]
+            }
+        }
+        if {[catch {$curlHandle cleanup} result]} {
+            error $result
+        }
+    } else {
+        # We create a multiHandle
+        set multiHandle [curl::multiinit]
+
+        # We add the easy handle to the multi handle.
+        $multiHandle addhandle $curlHandle
+
+        # So now we create the event source passing the multiHandle as a parameter.
+        curl::createEventSource $multiHandle
+
+        # And we return, it is non blocking after all.
+    }
+    return 0
+}
+
+}