Browse Source

first refurbishing of Zuper 0.1

Jaromil 4 years ago
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5da7c7bb47
5 changed files with 1230 additions and 0 deletions
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+*~
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+test
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COPYING.txt

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+                    GNU GENERAL PUBLIC LICENSE
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+                       Version 3, 29 June 2007
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+make, use, sell, offer for sale, import and otherwise run, modify and
490
+propagate the contents of its contributor version.
491
+
492
+  In the following three paragraphs, a "patent license" is any express
493
+agreement or commitment, however denominated, not to enforce a patent
494
+(such as an express permission to practice a patent or covenant not to
495
+sue for patent infringement).  To "grant" such a patent license to a
496
+party means to make such an agreement or commitment not to enforce a
497
+patent against the party.
498
+
499
+  If you convey a covered work, knowingly relying on a patent license,
500
+and the Corresponding Source of the work is not available for anyone
501
+to copy, free of charge and under the terms of this License, through a
502
+publicly available network server or other readily accessible means,
503
+then you must either (1) cause the Corresponding Source to be so
504
+available, or (2) arrange to deprive yourself of the benefit of the
505
+patent license for this particular work, or (3) arrange, in a manner
506
+consistent with the requirements of this License, to extend the patent
507
+license to downstream recipients.  "Knowingly relying" means you have
508
+actual knowledge that, but for the patent license, your conveying the
509
+covered work in a country, or your recipient's use of the covered work
510
+in a country, would infringe one or more identifiable patents in that
511
+country that you have reason to believe are valid.
512
+
513
+  If, pursuant to or in connection with a single transaction or
514
+arrangement, you convey, or propagate by procuring conveyance of, a
515
+covered work, and grant a patent license to some of the parties
516
+receiving the covered work authorizing them to use, propagate, modify
517
+or convey a specific copy of the covered work, then the patent license
518
+you grant is automatically extended to all recipients of the covered
519
+work and works based on it.
520
+
521
+  A patent license is "discriminatory" if it does not include within
522
+the scope of its coverage, prohibits the exercise of, or is
523
+conditioned on the non-exercise of one or more of the rights that are
524
+specifically granted under this License.  You may not convey a covered
525
+work if you are a party to an arrangement with a third party that is
526
+in the business of distributing software, under which you make payment
527
+to the third party based on the extent of your activity of conveying
528
+the work, and under which the third party grants, to any of the
529
+parties who would receive the covered work from you, a discriminatory
530
+patent license (a) in connection with copies of the covered work
531
+conveyed by you (or copies made from those copies), or (b) primarily
532
+for and in connection with specific products or compilations that
533
+contain the covered work, unless you entered into that arrangement,
534
+or that patent license was granted, prior to 28 March 2007.
535
+
536
+  Nothing in this License shall be construed as excluding or limiting
537
+any implied license or other defenses to infringement that may
538
+otherwise be available to you under applicable patent law.
539
+
540
+  12. No Surrender of Others' Freedom.
541
+
542
+  If conditions are imposed on you (whether by court order, agreement or
543
+otherwise) that contradict the conditions of this License, they do not
544
+excuse you from the conditions of this License.  If you cannot convey a
545
+covered work so as to satisfy simultaneously your obligations under this
546
+License and any other pertinent obligations, then as a consequence you may
547
+not convey it at all.  For example, if you agree to terms that obligate you
548
+to collect a royalty for further conveying from those to whom you convey
549
+the Program, the only way you could satisfy both those terms and this
550
+License would be to refrain entirely from conveying the Program.
551
+
552
+  13. Use with the GNU Affero General Public License.
553
+
554
+  Notwithstanding any other provision of this License, you have
555
+permission to link or combine any covered work with a work licensed
556
+under version 3 of the GNU Affero General Public License into a single
557
+combined work, and to convey the resulting work.  The terms of this
558
+License will continue to apply to the part which is the covered work,
559
+but the special requirements of the GNU Affero General Public License,
560
+section 13, concerning interaction through a network will apply to the
561
+combination as such.
562
+
563
+  14. Revised Versions of this License.
564
+
565
+  The Free Software Foundation may publish revised and/or new versions of
566
+the GNU General Public License from time to time.  Such new versions will
567
+be similar in spirit to the present version, but may differ in detail to
568
+address new problems or concerns.
569
+
570
+  Each version is given a distinguishing version number.  If the
571
+Program specifies that a certain numbered version of the GNU General
572
+Public License "or any later version" applies to it, you have the
573
+option of following the terms and conditions either of that numbered
574
+version or of any later version published by the Free Software
575
+Foundation.  If the Program does not specify a version number of the
576
+GNU General Public License, you may choose any version ever published
577
+by the Free Software Foundation.
578
+
579
+  If the Program specifies that a proxy can decide which future
580
+versions of the GNU General Public License can be used, that proxy's
581
+public statement of acceptance of a version permanently authorizes you
582
+to choose that version for the Program.
583
+
584
+  Later license versions may give you additional or different
585
+permissions.  However, no additional obligations are imposed on any
586
+author or copyright holder as a result of your choosing to follow a
587
+later version.
588
+
589
+  15. Disclaimer of Warranty.
590
+
591
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599
+
600
+  16. Limitation of Liability.
601
+
602
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610
+SUCH DAMAGES.
611
+
612
+  17. Interpretation of Sections 15 and 16.
613
+
614
+  If the disclaimer of warranty and limitation of liability provided
615
+above cannot be given local legal effect according to their terms,
616
+reviewing courts shall apply local law that most closely approximates
617
+an absolute waiver of all civil liability in connection with the
618
+Program, unless a warranty or assumption of liability accompanies a
619
+copy of the Program in return for a fee.
620
+
621
+                     END OF TERMS AND CONDITIONS
622
+
623
+            How to Apply These Terms to Your New Programs
624
+
625
+  If you develop a new program, and you want it to be of the greatest
626
+possible use to the public, the best way to achieve this is to make it
627
+free software which everyone can redistribute and change under these terms.
628
+
629
+  To do so, attach the following notices to the program.  It is safest
630
+to attach them to the start of each source file to most effectively
631
+state the exclusion of warranty; and each file should have at least
632
+the "copyright" line and a pointer to where the full notice is found.
633
+
634
+    <one line to give the program's name and a brief idea of what it does.>
635
+    Copyright (C) <year>  <name of author>
636
+
637
+    This program is free software: you can redistribute it and/or modify
638
+    it under the terms of the GNU General Public License as published by
639
+    the Free Software Foundation, either version 3 of the License, or
640
+    (at your option) any later version.
641
+
642
+    This program is distributed in the hope that it will be useful,
643
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
644
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645
+    GNU General Public License for more details.
646
+
647
+    You should have received a copy of the GNU General Public License
648
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
649
+
650
+Also add information on how to contact you by electronic and paper mail.
651
+
652
+  If the program does terminal interaction, make it output a short
653
+notice like this when it starts in an interactive mode:
654
+
655
+    <program>  Copyright (C) <year>  <name of author>
656
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657
+    This is free software, and you are welcome to redistribute it
658
+    under certain conditions; type `show c' for details.
659
+
660
+The hypothetical commands `show w' and `show c' should show the appropriate
661
+parts of the General Public License.  Of course, your program's commands
662
+might be different; for a GUI interface, you would use an "about box".
663
+
664
+  You should also get your employer (if you work as a programmer) or school,
665
+if any, to sign a "copyright disclaimer" for the program, if necessary.
666
+For more information on this, and how to apply and follow the GNU GPL, see
667
+<http://www.gnu.org/licenses/>.
668
+
669
+  The GNU General Public License does not permit incorporating your program
670
+into proprietary programs.  If your program is a subroutine library, you
671
+may consider it more useful to permit linking proprietary applications with
672
+the library.  If this is what you want to do, use the GNU Lesser General
673
+Public License instead of this License.  But first, please read
674
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.

+ 128 - 0
README.md

@@ -0,0 +1,128 @@
1
+```
2
+ .----------------.  .----------------.  .----------------.  .----------------.  .----------------. 
3
+| .--------------. || .--------------. || .--------------. || .--------------. || .--------------. |
4
+| |   ________   | || | _____  _____ | || |   ______     | || |  _________   | || |  _______     | |
5
+| |  |  __   _|  | || ||_   _||_   _|| || |  |_   __ \   | || | |_   ___  |  | || | |_   __ \    | |
6
+| |  |_/  / /    | || |  | |    | |  | || |    | |__) |  | || |   | |_  \_|  | || |   | |__) |   | |
7
+| |     .'.' _   | || |  | '    ' |  | || |    |  ___/   | || |   |  _|  _   | || |   |  __ /    | |
8
+| |   _/ /__/ |  | || |   \ '--' /   | || |   _| |_      | || |  _| |___/ |  | || |  _| |  \ \_  | |
9
+| |  |________|  | || |    '.__.'    | || |  |_____|     | || | |_________|  | || | |____| |___| | |
10
+| |              | || |              | || |              | || |              | || |              | |
11
+| '--------------' || '--------------' || '--------------' || '--------------' || '--------------' |
12
+ '----------------'  '----------------'  '----------------'  '----------------'  '----------------'
13
+```
14
+
15
+**Z**sh **U**ltimate **P**rogrammer's **E**xtensions **R**efurbished - version 0.1
16
+
17
+# Introduction
18
+
19
+Zuper is a minimalist library of extensions for Zsh programming, that
20
+is for all those people out there using Zsh as a programming language
21
+or a scripting glue.
22
+
23
+# Features
24
+
25
+ - key/value store on files mapped to associative arrays
26
+ - consul k/v integration using native get/set over ztcp
27
+ - nifty messaging using colors and intl support (gettext)
28
+ - procedural flow debugging functions and variable monitor
29
+ - clean exit and destructors registration
30
+ - improved temp file handling
31
+ - more to come...
32
+
33
+# Usage
34
+
35
+Documentation is still lacking, however to use Zuper in Zsh scripts
36
+one must first source its main library `zuper`, then declare global
37
+variables and arrays, then source `zuper.init` and at the end of the
38
+program call `endgame` for a clean exit. Example test program:
39
+
40
+```zsh
41
+#!/usr/bin/env zsh
42
+
43
+# switch on debugging output
44
+debug=1
45
+# switch on zuper's key/value load/save extension
46
+zkv=1
47
+
48
+source zuper
49
+
50
+# declare a custom global variable
51
+vars+=(myvar)
52
+# assign a value to our global variable
53
+myvar=ok
54
+
55
+# declare a custom function to print it out
56
+testfun() {
57
+    # register the function in the debug flow
58
+    fn "testfun"
59
+    # print out with nice green colors
60
+    notice "Custom var: $myvar"
61
+}
62
+
63
+# wrap the init phase
64
+source zuper.init
65
+
66
+# register the zdump debug function to be executed on exit
67
+destruens+=(zdump)
68
+
69
+# call our custom function
70
+testfun
71
+
72
+# declare an associative array map
73
+typeset -A mymap
74
+# we use words and their md5
75
+mymap=(
76
+    lorem f737a087bca81f69a6048ec744c73e41
77
+    ipsum 02063b9bf9d6e15ad61226fa4584aae0
78
+    dolor 5f20730ddc7a1fedbf265358f0ce4f26
79
+)
80
+
81
+# save the map into a file
82
+zkv.save mymap test.map 
83
+
84
+# free the map
85
+mymap=()
86
+
87
+# re-declare the map
88
+typeset -A mymap
89
+# re-load saved contents
90
+zkv.load test.map
91
+# dump contents
92
+for i in ${(k)mymap}; do
93
+    print "$i \t ${mymap[$i]}"
94
+done
95
+
96
+# end the program (will call destructors)
97
+endgame
98
+```
99
+
100
+
101
+# Deployment
102
+
103
+ - Devuan Simple Development Toolkit https://git.devuan.org/devuan/devuan-sdk#tab-readme
104
+ - Dowse IoT awareness OS http://dyne.org/software/dowse
105
+ - Jaro Mail terminal email http://dyne.org/software/jaro-mail
106
+
107
+If you use it, let us know! http://dyne.org/contact
108
+
109
+# License
110
+
111
+Zuper is designed, developed and maintained by Denis Roio <jaromil@dyne.org>
112
+
113
+Zuper is Copyright (C) 2015 by the Dyne.org foundation
114
+
115
+This source code is free software; you can redistribute it and/or
116
+modify it under the terms of the GNU Public License as published by
117
+the Free Software Foundation; either version 3 of the License, or (at
118
+your option) any later version.
119
+
120
+This source code is distributed in the hope that it will be useful,
121
+but WITHOUT ANY WARRANTY; without even the implied warranty of
122
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  Please refer to
123
+the GNU Public License for more details.
124
+
125
+You should have received a copy of the GNU Public License along with
126
+this source code; if not, write to: Free Software Foundation, Inc.,
127
+675 Mass Ave, Cambridge, MA 02139, USA.
128
+

+ 408 - 0
zuper

@@ -0,0 +1,408 @@
1
+#!/usr/bin/env zsh
2
+#
3
+# Zuper - Zsh Ultimate Programmer's Extensions Refurbished
4
+#
5
+# Copyright (C) 2015 Dyne.org Foundation
6
+#
7
+# Zuper is designed, written and maintained by Denis Roio <jaromil@dyne.org>
8
+#
9
+# This source  code is free  software; you can redistribute  it and/or
10
+# modify it under the terms of  the GNU Public License as published by
11
+# the Free  Software Foundation; either  version 3 of the  License, or
12
+# (at your option) any later version.
13
+#
14
+# This source code is distributed in  the hope that it will be useful,
15
+# but  WITHOUT ANY  WARRANTY;  without even  the  implied warranty  of
16
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
17
+# Please refer to the GNU Public License for more details.
18
+#
19
+# You should have received a copy of the GNU Public License along with
20
+# this source code; if not, write to:
21
+# Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22
+
23
+
24
+##########################
25
+typeset -aU vars
26
+typeset -aU arrs
27
+vars=(debug quiet)
28
+arrs=()
29
+
30
+debug=${debug:-0}
31
+quiet=${quiet:-0}
32
+
33
+vars+=(zuper_version)
34
+zuper_version=0.1
35
+
36
+# Messaging function with pretty coloring
37
+autoload colors
38
+colors
39
+
40
+
41
+vars+=(last_act last_func last_notice)
42
+
43
+function _msg() {
44
+    local msg="$2"
45
+    command -v gettext 1>/dev/null 2>/dev/null && msg="$(gettext -s "$2")"
46
+    for i in $(seq 3 ${#});
47
+    do
48
+        msg=${(S)msg//::$(($i - 2))*::/$*[$i]}
49
+    done
50
+
51
+    local command="print -P"
52
+    local progname="$fg[magenta]${TOMBEXEC##*/}$reset_color"
53
+    local message="$fg_bold[normal]$fg_no_bold[normal]$msg$reset_color"
54
+    local -i returncode
55
+
56
+    case "$1" in
57
+        inline)
58
+            command+=" -n"; pchars=" > "; pcolor="yellow"
59
+            ;;
60
+        message)
61
+            last_act="$msg"
62
+            pchars=" . "; pcolor="white"; message="$fg_no_bold[$pcolor]$msg$reset_color"
63
+            ;;
64
+        verbose)
65
+            last_func="$msg"
66
+            pchars="[D]"; pcolor="blue"
67
+            ;;
68
+        success)
69
+            last_notice="$msg"
70
+            pchars="(*)"; pcolor="green"; message="$fg_no_bold[$pcolor]$msg$reset_color"
71
+            ;;
72
+        warning)
73
+            pchars="[W]"; pcolor="yellow"; message="$fg_no_bold[$pcolor]$msg$reset_color"
74
+            ;;
75
+        failure)
76
+            pchars="[E]"; pcolor="red"; message="$fg_no_bold[$pcolor]$msg$reset_color"
77
+            returncode=1
78
+            ;;
79
+        print)
80
+            progname=""
81
+            ;;
82
+        *)
83
+            pchars="[F]"; pcolor="red"
84
+            message="Developer oops!  Usage: _msg MESSAGE_TYPE \"MESSAGE_CONTENT\""
85
+            returncode=127
86
+            zerr
87
+            ;;
88
+    esac
89
+    ${=command} "${progname} $fg_bold[$pcolor]$pchars$reset_color ${message}$color[reset_color]" >&2
90
+    return $returncode
91
+}
92
+
93
+function _message say act() {
94
+    local notice="message"
95
+    [[ "$1" = "-n" ]] && shift && notice="inline"
96
+    [[ $quiet = 1 ]] || _msg "$notice" $@
97
+    return 0
98
+}
99
+
100
+function _verbose xxx func() {
101
+    [[ $debug = 1 ]] && _msg verbose $@
102
+    return 0
103
+}
104
+
105
+function _success yes notice() {
106
+    [[ $quiet = 1 ]] || _msg success $@
107
+    return 0
108
+}
109
+
110
+function _warning no warn warning() {
111
+    [[ $quiet = 1 ]] || _msg warning $@
112
+    return 0
113
+}
114
+
115
+function _failure fatal die error() {
116
+    #    typeset -i exitcode=${exitv:-1}
117
+    [[ $quiet = 1 ]] || _msg failure $@
118
+    return 1
119
+}
120
+
121
+function _print() {
122
+    [[ $quiet = 1 ]] || _msg print $@
123
+    return 0
124
+}
125
+
126
+
127
+
128
+fn() {
129
+    local msg="$1"
130
+    command -v gettext 1>/dev/null 2>/dev/null \
131
+        && msg="$(gettext -s "$1")"
132
+    for i in $(seq 2 ${#}); do
133
+        msg=${(S)msg//::$(($i - 1))*::/$*[$i]}
134
+    done
135
+    
136
+    fun="$msg"
137
+    func "$fun"
138
+    req=()
139
+    freq=()
140
+}
141
+
142
+ckreq reqck() {
143
+    err=0
144
+    for v in $req; do
145
+        [[ "${(P)v}" = "" ]] && {
146
+            warn "required setting is blank: $v"
147
+            err=1
148
+        }
149
+    done
150
+
151
+    [[ $err = 1 ]] && return $err
152
+
153
+    for f in $freq; do
154
+        # exists and has size greater than zero
155
+        [[ -s $f ]] || {
156
+            warn "required file empty: $f"
157
+            err=1
158
+        }
159
+    done
160
+    return $err
161
+}
162
+
163
+zerr() { 
164
+    error "error in: ${fun:-$last_notice}"
165
+
166
+    [[ "$last_func" = "" ]] || warn "called in: $last_func"
167
+    [[ "$last_act" = "" ]] || warn "called in: $last_act"
168
+    [[ "$last_notice" = "" ]] || warn "called in: $last_notice"
169
+    [[ "$fun" = "" ]] || warn "called in: $fun"
170
+    error "error reported, operation aborted."
171
+    return 1
172
+}
173
+
174
+zdump() {
175
+    fn zdump
176
+    for v in $vars; do
177
+        print "$v \t ${(P)v}"
178
+    done
179
+    for a in $arrs; do
180
+        print "$a \t ${(P)a}"
181
+    done
182
+}
183
+
184
+
185
+
186
+##########################
187
+# Endgame handling
188
+
189
+arrs+=(destruens)
190
+
191
+# Trap functions for the endgame event
192
+TRAPINT()  { endgame INT;   return $? }
193
+# TRAPEXIT() { endgame EXIT;  return $? }
194
+TRAPHUP()  { endgame HUP;   return $? }
195
+TRAPQUIT() { endgame QUIT;  return $? }
196
+TRAPABRT() { endgame ABORT; return $? }
197
+TRAPKILL() { endgame KILL;  return $? }
198
+# TRAPPIPE() { endgame PIPE;  return $? }
199
+TRAPTERM() { endgame TERM;  return $? }
200
+TRAPSTOP() { endgame STOP;  return $? }
201
+# TRAPZERR() { func "function returns non-zero." }
202
+
203
+
204
+endgame() {
205
+    fn "endgame $*"
206
+
207
+    # execute all no matter what
208
+    TRAPZERR() { }
209
+
210
+    # process registered destructors
211
+    for d in $destruens; do
212
+        fn "destructor: $d"
213
+        $d
214
+    done
215
+    return 0
216
+}
217
+
218
+
219
+##########################
220
+# Temp file handling
221
+
222
+ztmp() {
223
+    fn ztmp
224
+
225
+    _tmp=`mktemp`
226
+    tmpfiles+=($_tmp)
227
+    print $_tmp
228
+}
229
+
230
+_ztmp_destructor() {
231
+    fn _ztmp_destructor
232
+
233
+    for f in $tmpfiles; do
234
+        rm -f "$f"
235
+    done
236
+    tmpfiles=()
237
+}
238
+
239
+arrs+=(tmpfiles)
240
+destruens+=(_ztmp_destructor)
241
+
242
+
243
+# optional: define zkv=1 on source
244
+
245
+[[ "$zkv" = "" ]] || {
246
+
247
+    ##########################
248
+    # Key/Value file storage using ZSh associative maps
249
+
250
+    zmodload zsh/system
251
+
252
+    # load a map from a file
253
+    # map must be already instantiated with typeset -A by called
254
+    # name of map is defined inside the file
255
+    zkv.load() {
256
+        fn "zkv-load $*"
257
+
258
+        file=$1
259
+        [[ "$file" = "" ]] && {
260
+            error "zkv-open() missing argument: file-path"
261
+            zerr
262
+            return 1    }
263
+        [[ -r "$file" ]] || {
264
+            error "zkv-open() file not found $file"
265
+            zerr
266
+            return 1    }
267
+        [[ -s "$file" ]] || {
268
+            error "zkv-open() file is empty"
269
+            zerr
270
+            return 1    }
271
+
272
+        source $file
273
+    }
274
+
275
+    # save a map in a file
276
+    # $1 = name of the map associative array
277
+    # $2 = full path to the file
278
+    zkv.save() {
279
+        fn "zkv.save $*"
280
+
281
+        _map=$1
282
+        _path=$2
283
+        [[ "$_path" = "" ]] && {
284
+            error "zkv.save() missing argument: map-name path-to-file"
285
+            zerr
286
+            return 1
287
+        }
288
+        [[ -r $_path ]] && {
289
+            func "zkv.close() overwriting $_path"
290
+            func "backup turd left behind: ${_path}~"
291
+            mv $_path $_path~
292
+        }
293
+        touch $_path
294
+
295
+        # wondering about http://www.zsh.org/mla/users/2015/msg00286.html
296
+        # meanwhile solved using a double array, wasting a full map memcpy
297
+        _karr=(${(Pk)_map})
298
+        _varr=(${(Pv)_map})
299
+        _num="${#_karr}"
300
+        for c in {1..$_num}; do        
301
+            # can also be cat here, however for speed we use builtins
302
+            # switch to cat if compatibility is an issue
303
+            sysread -o 1 <<EOF >> $_path
304
+$_map+=("${_karr[$c]}" "${(v)_varr[$c]}")
305
+EOF
306
+        done
307
+        func "$_num key/values stored in $_path"
308
+    }
309
+
310
+}
311
+
312
+# optional: define zconsul=1 on source
313
+
314
+[[ "$zconsul" = "" ]] || {
315
+
316
+    ########
317
+    # Consul
318
+    # there is a clear zsh optimization here in get/set kv
319
+    # using zsh/tcp instead of spawning curl
320
+    # and perhaps querying with one call using ?recursive
321
+
322
+    zmodload zsh/net/tcp
323
+
324
+    zconsul.set() {
325
+        fn "zconsul.set $*"
326
+        
327
+        # checks if consul running up to the caller
328
+
329
+        _host=$1 # ip address
330
+        _port=${host[(ws@:@)2]:-8500}
331
+        _k=$2 # key name
332
+        _v=$3 # value
333
+
334
+        req=(_host _port _k _v)
335
+        ckreq || return $?
336
+
337
+        ztcp $_host $_port || {
338
+            zerr
339
+            return 1
340
+        }
341
+
342
+        _fd=$REPLY
343
+        #    func "tcp open on fd $fd"
344
+        cat <<EOF >& $_fd
345
+PUT /v1/kv/$_k HTTP/1.1
346
+User-Agent: Zuper/$zuper_version
347
+Host: $_host:$_port
348
+Accept: */*
349
+Content-Length: ${#v}
350
+Content-Type: application/x-www-form-urlencoded
351
+
352
+EOF
353
+
354
+        print -n "$v" >& $_fd
355
+
356
+        sysread -i $_fd _res
357
+
358
+        # close connection
359
+        ztcp -c $_fd
360
+
361
+        [[ "$_res" =~ "true" ]] || {
362
+            warn "cannot set key/value in consul: $_k = $_v"
363
+            zerr
364
+            return 1
365
+        }
366
+
367
+        return 0
368
+
369
+    }    
370
+
371
+    zconsul.get() {
372
+        fn "zconsul.get $*"
373
+
374
+        _host=$1 # ip address
375
+        _port=${host[(ws@:@)2]:-8500}
376
+        _k=$2 # key name
377
+        _v=$3 # value
378
+        
379
+        req=(_host _port _k _v)
380
+        ckreq || return $?
381
+
382
+        _k=$1
383
+
384
+        ztcp $_host $_port || {
385
+            zerr
386
+            return 1
387
+        }
388
+
389
+        _fd=$REPLY
390
+
391
+        cat <<EOF >& $_fd
392
+GET /v1/kv/$k HTTP/1.1
393
+User-Agent: Zuper/$zuper_version
394
+Host: $_host:$_port
395
+Accept: */*
396
+
397
+EOF
398
+        sysread -i $_fd -o 1 | awk -F: '
399
+/"Value":/ { gsub(/"|}]/,"",$7) ; print $7 }' | base64 -d
400
+
401
+        # close connection
402
+        ztcp -c $_fd
403
+
404
+        return 0
405
+
406
+    }
407
+
408
+}

+ 16 - 0
zuper.init

@@ -0,0 +1,16 @@
1
+##########################
2
+# Zuper Init
3
+
4
+# initialize globals only after sourcing everything
5
+# since zlibs may contain more variable declarations
6
+for v in $vars; do
7
+    typeset -h $v
8
+done
9
+for a in $arrs; do
10
+    typeset -a $a
11
+done
12
+func "Zuper $zuper_version initialized"
13
+func "${#vars} global variables registered"
14
+func "${#arrs} global arrays registered"
15
+
16
+