#!/bin/csh -f
# search
# -----------------------------------------------------------------------------
# Shell script to search a file for a string.
# -----------------------------------------------------------------------------
# Usage:  See Usage section below or run with no arguments to see usage.
# Assumptions:
# Effects:
#       - Echos matches to stdout
# Notes:
# Implementation Notes:
# Portability Issues:
# Revision History:
#   $Log$
# -----------------------------------------------------------------------------

if ($#argv == 0 || "$1" == "-h" || "$1" == "--help") then
   echo "Usage: $0:t [options] matchstring [input_file]"
   echo "Where options can be any of the following:"
   echo "   -i     = Ignore case"
   echo "   -H     = Highlight matches"
   echo "   -h     = Show this help text"
   echo "   --help = Show this help text"
  exit 1
endif

# Collect command line options
set ignore_case_option  = ""
set highlight_option    = "false"
while ($#argv > 0)
    if ("$1" == "-i") then
        # Ignore case
        set ignore_case_option  = "$1"
        shift
    else if ("$1" == "-H") then
        set highlight_option    = "true"
        shift
    else
        # Not a recognized option.  Assume it's the filename pattern.
        break
    endif
end

if ($highlight_option == "true") then
    # Search silently to see if any matches
    java -classpath /Users/fred/fred/lib/search.jar:/Users/fred/fred/lib/bristle.jar com.bristle.javaapps.search.SearchWithContext ${ignore_case_option} $*:q > /dev/null
    set rc = $status
    if ($rc == 0) then
        # Matches found.  Pipe through less with highlighting of matches.
        # +/$1:q = Search for specified string
        # -I     = Ignore case
        # -+F    = Don't exit less even if output fits on screen.  This is 
        #          because less may have jumped ahead to the first match and
        #          not counted the earlier text of a long paragraph as needing
        #          to fit on the screen.
        java -classpath /Users/fred/fred/lib/search.jar:/Users/fred/fred/lib/bristle.jar com.bristle.javaapps.search.SearchWithContext ${ignore_case_option} $*:q | less -I -+F +/$1:q
    endif
    set rc = $status
else
    java -classpath /Users/fred/fred/lib/search.jar:/Users/fred/fred/lib/bristle.jar com.bristle.javaapps.search.SearchWithContext ${ignore_case_option} $*:q | less
    set rc = $status
endif
exit $rc