1#--------------------------------------------------------------------------- 2# 3# xc-translit.m4 4# 5# Copyright (c) 2011 Daniel Stenberg <daniel@haxx.se> 6# 7# Permission to use, copy, modify, and distribute this software for any 8# purpose with or without fee is hereby granted, provided that the above 9# copyright notice and this permission notice appear in all copies. 10# 11# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18# 19#--------------------------------------------------------------------------- 20 21# File version for 'aclocal' use. Keep it a single number. 22# serial 2 23 24 25dnl XC_SH_TR_SH (expression) 26dnl ------------------------------------------------- 27dnl Shell execution time transliteration of 'expression' 28dnl argument, where all non-alfanumeric characters are 29dnl converted to the underscore '_' character. 30dnl Normal shell expansion and substitution takes place 31dnl for given 'expression' at shell execution time before 32dnl transliteration is applied to it. 33 34AC_DEFUN([XC_SH_TR_SH], 35[`echo "$1" | sed 's/[[^a-zA-Z0-9_]]/_/g'`]) 36 37 38dnl XC_SH_TR_SH_EX (expression, [extra]) 39dnl ------------------------------------------------- 40dnl Like XC_SH_TR_SH but transliterating characters 41dnl given in 'extra' argument to lowercase 'p'. For 42dnl example [*+], [*], and [+] are valid 'extra' args. 43 44AC_DEFUN([XC_SH_TR_SH_EX], 45[ifelse([$2], [], 46 [XC_SH_TR_SH([$1])], 47 [`echo "$1" | sed 's/[[$2]]/p/g' | sed 's/[[^a-zA-Z0-9_]]/_/g'`])]) 48 49 50dnl XC_M4_TR_SH (expression) 51dnl ------------------------------------------------- 52dnl m4 execution time transliteration of 'expression' 53dnl argument, where all non-alfanumeric characters are 54dnl converted to the underscore '_' character. 55 56AC_DEFUN([XC_M4_TR_SH], 57[patsubst(XC_QPATSUBST(XC_QUOTE($1), 58 [[^a-zA-Z0-9_]], [_]), 59 [\(_\(.*\)_\)], [\2])]) 60 61 62dnl XC_M4_TR_SH_EX (expression, [extra]) 63dnl ------------------------------------------------- 64dnl Like XC_M4_TR_SH but transliterating characters 65dnl given in 'extra' argument to lowercase 'p'. For 66dnl example [*+], [*], and [+] are valid 'extra' args. 67 68AC_DEFUN([XC_M4_TR_SH_EX], 69[ifelse([$2], [], 70 [XC_M4_TR_SH([$1])], 71 [patsubst(XC_QPATSUBST(XC_QPATSUBST(XC_QUOTE($1), 72 [[$2]], 73 [p]), 74 [[^a-zA-Z0-9_]], [_]), 75 [\(_\(.*\)_\)], [\2])])]) 76 77 78dnl XC_SH_TR_CPP (expression) 79dnl ------------------------------------------------- 80dnl Shell execution time transliteration of 'expression' 81dnl argument, where all non-alfanumeric characters are 82dnl converted to the underscore '_' character and alnum 83dnl characters are converted to uppercase. 84dnl Normal shell expansion and substitution takes place 85dnl for given 'expression' at shell execution time before 86dnl transliteration is applied to it. 87 88AC_DEFUN([XC_SH_TR_CPP], 89[`echo "$1" | dnl 90sed 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' | dnl 91sed 's/[[^A-Z0-9_]]/_/g'`]) 92 93 94dnl XC_SH_TR_CPP_EX (expression, [extra]) 95dnl ------------------------------------------------- 96dnl Like XC_SH_TR_CPP but transliterating characters 97dnl given in 'extra' argument to uppercase 'P'. For 98dnl example [*+], [*], and [+] are valid 'extra' args. 99 100AC_DEFUN([XC_SH_TR_CPP_EX], 101[ifelse([$2], [], 102 [XC_SH_TR_CPP([$1])], 103 [`echo "$1" | dnl 104sed 's/[[$2]]/P/g' | dnl 105sed 'y/abcdefghijklmnopqrstuvwxyz/ABCDEFGHIJKLMNOPQRSTUVWXYZ/' | dnl 106sed 's/[[^A-Z0-9_]]/_/g'`])]) 107 108 109dnl XC_M4_TR_CPP (expression) 110dnl ------------------------------------------------- 111dnl m4 execution time transliteration of 'expression' 112dnl argument, where all non-alfanumeric characters are 113dnl converted to the underscore '_' character and alnum 114dnl characters are converted to uppercase. 115 116AC_DEFUN([XC_M4_TR_CPP], 117[patsubst(XC_QPATSUBST(XC_QTRANSLIT(XC_QUOTE($1), 118 [abcdefghijklmnopqrstuvwxyz], 119 [ABCDEFGHIJKLMNOPQRSTUVWXYZ]), 120 [[^A-Z0-9_]], [_]), 121 [\(_\(.*\)_\)], [\2])]) 122 123 124dnl XC_M4_TR_CPP_EX (expression, [extra]) 125dnl ------------------------------------------------- 126dnl Like XC_M4_TR_CPP but transliterating characters 127dnl given in 'extra' argument to uppercase 'P'. For 128dnl example [*+], [*], and [+] are valid 'extra' args. 129 130AC_DEFUN([XC_M4_TR_CPP_EX], 131[ifelse([$2], [], 132 [XC_M4_TR_CPP([$1])], 133 [patsubst(XC_QPATSUBST(XC_QTRANSLIT(XC_QPATSUBST(XC_QUOTE($1), 134 [[$2]], 135 [P]), 136 [abcdefghijklmnopqrstuvwxyz], 137 [ABCDEFGHIJKLMNOPQRSTUVWXYZ]), 138 [[^A-Z0-9_]], [_]), 139 [\(_\(.*\)_\)], [\2])])]) 140 141 142dnl XC_QUOTE (expression) 143dnl ------------------------------------------------- 144dnl Expands to quoted result of 'expression' expansion. 145 146AC_DEFUN([XC_QUOTE], 147[[$@]]) 148 149 150dnl XC_QPATSUBST (string, regexp[, repl]) 151dnl ------------------------------------------------- 152dnl Expands to quoted result of 'patsubst' expansion. 153 154AC_DEFUN([XC_QPATSUBST], 155[XC_QUOTE(patsubst([$1], [$2], [$3]))]) 156 157 158dnl XC_QTRANSLIT (string, chars, repl) 159dnl ------------------------------------------------- 160dnl Expands to quoted result of 'translit' expansion. 161 162AC_DEFUN([XC_QTRANSLIT], 163[XC_QUOTE(translit([$1], [$2], [$3]))]) 164