_go-callvis

#compdef go-callvis

# -----------------------------------------------------------------------------
# The BSD-3-Clause License
#
# Copyright (c) 2016, Koichi Shiraishi
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# modification, are permitted provided that the following conditions are met:
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# * Redistributions of source code must retain the above copyright notice, this
#   list of conditions and the following disclaimer.
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#   this list of conditions and the following disclaimer in the documentation
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#   contributors may be used to endorse or promote products derived from
#   this software without specific prior written permission.
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# -----------------------------------------------------------------------------
#
# github.com/TrueFurby/go-callvis
#
# Usage of go-callvis:
#   -debug
#     	Enable verbose log.
#   -focus string
#     	Focus package with name or import path. (default "main")
#   -group string
#     	Grouping functions by [pkg, type] (separate multiple by comma).
#   -ignore string
#     	Ignore package paths with prefix (separate multiple by comma).
#   -limit string
#     	Limit package paths to prefix. (separate multiple by comma)
#   -minlen uint
#     	Minimum edge length (for wider output). (default 2)
#   -nodesep float
#     	Minimum space between two adjacent nodes in the same rank (for taller output). (default 0.35)
#   -nostd
#     	Omit calls to/from std packages.
#   -tests
#     	Include test code.
#   -version
#     	Show version and exit.
#
# -----------------------------------------------------------------------------

function _go-callvis() {
  local context curcontext=$curcontext state line ret=1
  declare -A opt_args

  __go_packages() {
    local gopaths
    declare -a gopaths
    gopaths=("${(s/:/)$(go env GOPATH)}")
    gopaths+=("$(go env GOROOT)")
    for p in $gopaths; do
      _alternative ':go packages:_path_files -W "$p/src" -/'
    done
  }

  _arguments -C \
    '-debug[Enable verbose log]' \
    '-focus[Focus package with name or import path (default "main")]:Focus package name or import path' \
    '-group[Grouping functions]:Grouping (comma separate):(pkg, type)' \
    '-ignore[Ignore package paths with prefix]:ignore package path (comma separate):->ignore' \
    '-limit[Limit package paths to prefix]:Limit package path (comma separate):->limit' \
    '-minlen[Minimum edge length for wider output]:minimum edge length (default\: 2)' \
    '-nodesep[Minimum space between two adjacent nodes in the same rank for taller output]:minimum space (default\: 0.35)' \
    '-nostd[Omit calls to/from std packages]' \
    '-tests[Include test code]' \
    '-version[Show version and exit]' \
    '1: :__go_packages' \
    '*:: :->args' \
    && ret=0

  case $state in
    (ignore)
      if compset -P '*,' || compset -P ''; then
        local gopaths
        declare -a gopaths
        gopaths=("${(s/:/)$(go env GOPATH)}")
        gopaths+=("$(go env GOROOT)")
        for p in $gopaths; do
          _alternative ':ignore packages:_path_files -W "$p/src" -/'
        done
        return
      fi
      ;;
    (limit)
      if compset -P '*,' || compset -P ''; then
        local gopaths
        declare -a gopaths
        gopaths=("${(s/:/)$(go env GOPATH)}")
        gopaths+=("$(go env GOROOT)")
        for p in $gopaths; do
          _alternative ':limit packages:_path_files -W "$p/src" -/'
        done
        return
      fi
      ;;
  esac

  return ret
}

_go-callvis "$*"

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