add godoc plugin

plugins/godoc/godoc.plugin.zsh

@@ -0,0 +1,50 @@
+
+_godoc () {
+
+  typeset -A opt_args
+  local context state line
+  local pkgdir usrpkgdir
+
+  pkgdir="$GOROOT/src/pkg"
+  usrpkgdir="$GOPATH/src"
+  godoctmpl=$ZSH/plugins/godoc/templates
+
+  _arguments -s -S \
+    "-goroot+[Go root directory]::(/usr/lib/go)" \
+    "-html[print HTML in command-line mode]" \
+    "-http+[HTTP service address (e.g., :6060)]" \
+    "-index[enable search index]" \
+    "-index_files+[glob pattern specifying index files;if not empty, the index is read from these files in sorted order]" \
+    "-index_throttle+[index throttle value; 0.0 = no time allocated, 1.0 = full throttle]::(0.75 0.0 1.0)" \
+    "-maxresults+[maximum number of full text search results shown]::(10000)" \
+    "-path+[additional package directories (colon-separated)]" \
+    "-q[arguments are considered search queries]" \
+    "-server+[webserver address for command line searches]" \
+    "-src[print (exported) source in command-line mode]" \
+    "-tabwidth+[tab width]::(4)" \
+    "-templates+[directory containing alternate template files]" \
+    "-testdir+[Go root subdirectory - for testing only (faster startups)]" \
+    "-timestamps[show timestamps with directory listings]" \
+    "-url+[print HTML for named URL]" \
+    "-v[verbose mode]" \
+    "-write_index[write index to a file; the file name must be specified with -index_files]" \
+    "1:package:->pkgs" \
+    "*:package contents:->pkg_content"
+
+  case $state in
+    (pkgs)
+      _path_files -W "$pkgdir" -/
+      _path_files -W "$usrpkgdir" -/
+      return 0
+    ;;
+    (pkg_content)
+      godoc_completions=$(godoc -templates "$godoctmpl" $words[-2] 2> /dev/null) 
+      if [ $? -eq 0 ]; then
+         compadd "$@" $(echo "$godoc_completions")
+      fi
+      return 0
+    ;;
+  esac
+}
+
+compdef _godoc godoc

plugins/godoc/templates/package.txt

@@ -0,0 +1,41 @@
+{{with .PDoc}}{{/*
+
+---------------------------------------
+
+*/}}{{with .Consts}}{{range .}}{{range .Names}}{{.}}
+{{end}}{{end}}{{end}}{{/*
+
+---------------------------------------
+
+*/}}{{with .Vars}}{{range .}}{{range .Names}}{{.}}
+{{end}}{{end}}{{end}}{{/*
+
+---------------------------------------
+
+*/}}{{with .Funcs}}{{range .}}{{.Name}}
+{{end}}{{end}}{{/*
+
+---------------------------------------
+
+*/}}{{with .Types}}{{range .}}{{/*
+
+*/}}{{.Name}}
+{{/*
+
+*/}}{{range .Methods}}{{.Name}}
+{{end}}{{/*
+
+*/}}{{range .Funcs}}{{.Name}}
+{{end}}{{/*
+
+*/}}{{range .Consts}}{{range .Names}}{{.}}
+{{end}}{{end}}{{/*
+
+*/}}{{range .Vars}}{{range .Names}}{{.}}
+{{end}}{{end}}{{/*
+
+*/}}{{end}}{{end}}{{/*
+
+---------------------------------------
+
+*/}}{{end}}