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22904b5702
libvirt/tools
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Michal Privoznik 22904b5702 vsh: Rework how option to complete is found 
The way that auto completion works currently is that user's input
is parsed, and then we try to find the first --option (in the
parsed structure) that has the same value as user's input around
where <TAB> was pressed. For instance, for the following input:

  virsh # command --arg1 hello --arg2 world<TAB>

we will see "world" as text that user is trying to autocomplete
(this is affected by rl_basic_word_break_characters which
readline uses internally to break user's input into individual
words) and find that it is --arg2 that user is trying to
autocomplete. So far so good, for this naive approach. But
consider the following example:

  virsh # command --arg1 world --arg2 world<TAB>

Here, both arguments have the same value and because we see
"world" as text that user is trying to autocomplete we would
think that it is --arg1 that user wants to autocomplete. This is
obviously wrong.

Fortunately, readline stores the current position of cursor (into
rl_point) and we can use that when parsing user's input: whenever
we reach a position that matches the cursor then we know that
that is the place where <TAB> was pressed and hence that is the
--option that user wants to autocomplete. Readline stores the
cursor position as offset (numbered from 1) from the beginning of
user's input. We store this input into @parser->pos initially,
but then advance it as we tokenize it. Therefore, what we need is
to store the original position too.

Thanks to Martin who helped me with this.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
2021-01-26 16:46:41 +01:00
..
bash-completion vsh: Fix completion error in case of multiple mac addresses 2020-11-10 18:34:18 +01:00
nss meson: Fix build with -Dtest_coverage=true 2021-01-19 16:25:50 +01:00
wireshark meson: Fix build with -Dtest_coverage=true 2021-01-19 16:25:50 +01:00
libvirt_recover_xattrs.sh libvirt_recover_xattrs: Allow fixing multiple PATHs 2020-12-04 16:27:22 +01:00
libvirt_win_icon_16x16.ico
libvirt_win_icon_32x32.ico
libvirt_win_icon_48x48.ico
libvirt_win_icon_64x64.ico
libvirt-guests.service.in build: don't hardcode /etc in the config related files 2019-08-09 14:06:31 +01:00
libvirt-guests.sh.in libvirt-guests: Sync time for autostarted guests 2020-11-04 12:18:05 +01:00
libvirt-guests.sysconf libvirt-guests: Remove obsolete Windows comment 2020-12-07 10:38:44 +00:00
meson.build meson: Use @BASENAME@ more 2020-09-01 13:22:24 +02:00
virsh_win_icon.rc
virsh-backup.c virsh: limit completion of backup-{begin, dumpxml} to active domains 2020-09-14 15:52:40 +02:00
virsh-backup.h backup: Implement virsh support for backup 2019-12-10 12:41:56 +01:00
virsh-checkpoint.c Fix name prefix of VIR_DOMAIN_CHECKPOINT_REDEFINE_VALIDATE 2020-11-09 16:29:06 +00:00
virsh-checkpoint.h backup: Implement virsh support for checkpoints 2019-07-26 16:48:58 -05:00
virsh-completer-checkpoint.c virsh-completer: use g_new0 instead of VIR_ALLOC_N 2020-09-15 13:46:11 +02:00
virsh-completer-checkpoint.h tools: Separate checkpoint related completers into a file 2019-08-09 09:18:19 +02:00
virsh-completer-domain.c virsh: Fix XPATH in virshDomainDeviceAliasCompleter() 2021-01-22 10:45:54 +01:00
virsh-completer-domain.h Add lifecycle action completion to set-lifecycle-action command 2020-11-10 18:34:33 +01:00
virsh-completer-host.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-host.h virsh: Add logical CPU IDs completion for nodecpustats command 2020-11-10 18:34:02 +01:00
virsh-completer-interface.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-interface.h virsh: Add interface mac completion to iface-name command 2020-11-10 18:34:11 +01:00
virsh-completer-network.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-network.h virsh: Add mac completion to net-dhcp-leases command 2020-11-10 18:34:23 +01:00
virsh-completer-nodedev.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-nodedev.h tools: Separate nodedev related completers into a file 2019-08-09 09:10:08 +02:00
virsh-completer-nwfilter.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-nwfilter.h tools: Separate nwfilter related completers into a file 2019-08-09 09:15:36 +02:00
virsh-completer-pool.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-pool.h virsh: Introduce virshPoolTypeCompleter 2019-08-09 09:20:13 +02:00
virsh-completer-secret.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-secret.h tools: Separate secret related completers into a file 2019-08-09 09:16:28 +02:00
virsh-completer-snapshot.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-snapshot.h tools: Separate snapshot related completers into a file 2019-08-09 09:17:06 +02:00
virsh-completer-volume.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer-volume.h tools: Separate storage volume related completers into a file 2019-08-09 09:07:02 +02:00
virsh-completer.c lib: Replace VIR_AUTOSTRINGLIST with GStrv 2020-12-02 15:43:07 +01:00
virsh-completer.h virsh-completer: Drop needless #include 2019-08-09 09:18:54 +02:00
virsh-console.c src: add missing headers to various files 2021-01-06 13:15:17 +01:00
virsh-console.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh-domain-monitor.c virsh: Allow listing just domain IDs 2020-11-09 11:28:23 +01:00
virsh-domain-monitor.h virsh: Fix virshDomainInterfaceSourceCompleter 2020-01-07 16:12:55 +01:00
virsh-domain.c virsh-domain: Add quotes around '%s' formatting domain name 2021-01-06 09:25:07 +01:00
virsh-domain.h virsh: Move/add some of function declarations to virsh-domain.h 2020-11-10 18:34:26 +01:00
virsh-edit.c Use G_GNUC_FALLTHROUGH instead of ATTRIBUTE_FALLTHROUGH 2019-10-15 16:14:19 +02:00
virsh-host.c virsh: Add logical CPU IDs completion for nodecpustats command 2020-11-10 18:34:02 +01:00
virsh-host.h tools: remove unnecessary includes 2020-08-03 15:30:40 +02:00
virsh-interface.c virsh: Add interface name completion to iface-mac command 2020-11-10 18:34:16 +01:00
virsh-interface.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh-network.c virsh: Add mac completion to net-dhcp-leases command 2020-11-10 18:34:23 +01:00
virsh-network.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh-nodedev.c virsh: nodedev: filter by AP Matrix capability 2020-12-09 14:03:05 +01:00
virsh-nodedev.h tools: s/Nodedev/NodeDevice/ 2019-08-09 09:03:53 +02:00
virsh-nwfilter.c virsh: use g_new0 instead of vsh[CM]alloc 2020-10-06 09:01:46 +02:00
virsh-nwfilter.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh-pool.c virsh: use g_new0 instead of vsh[CM]alloc 2020-10-06 09:01:46 +02:00
virsh-pool.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh-secret.c virsh: use g_new0 instead of vsh[CM]alloc 2020-10-06 09:01:46 +02:00
virsh-secret.h tools: remove unnecessary includes 2020-08-03 15:30:40 +02:00
virsh-snapshot.c virsh: use g_new0 instead of vsh[CM]alloc 2020-10-06 09:01:46 +02:00
virsh-snapshot.h tools: remove unnecessary includes 2020-08-03 15:30:40 +02:00
virsh-util.c src: add missing headers to various files 2021-01-06 13:15:17 +01:00
virsh-util.h virsh: Track if vol-upload or vol-download work over a block device 2020-08-24 13:32:53 +02:00
virsh-volume.c virsh: use g_new0 instead of vsh[CM]alloc 2020-10-06 09:01:46 +02:00
virsh-volume.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virsh.c vsh: Rework how option to complete is found 2021-01-26 16:46:41 +01:00
virsh.h tools: remove unnecessary includes 2020-08-03 15:30:40 +02:00
virt-admin-completer.c tools: use g_new0 instead of VIR_ALLOC* 2020-10-01 12:34:13 +02:00
virt-admin-completer.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virt-admin.c vsh: Rework how option to complete is found 2021-01-26 16:46:41 +01:00
virt-admin.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virt-host-validate-bhyve.c virt-host-validate-bhyve.c: Reintroduce @ret to virHostValidateBhyve() 2020-05-05 14:45:58 +02:00
virt-host-validate-bhyve.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virt-host-validate-common.c virt-host-validate: fix detection with cgroups v2 2020-11-19 01:18:35 +01:00
virt-host-validate-common.h tools: Secure guest check for AMD in virt-host-validate 2020-06-16 09:43:44 +02:00
virt-host-validate-lxc.c virt-host-validate: require freezer for LXC 2018-10-05 15:53:29 +02:00
virt-host-validate-lxc.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virt-host-validate-qemu.c tools: remove unnecessary includes 2020-08-03 15:30:40 +02:00
virt-host-validate-qemu.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
virt-host-validate.c lib: Prefer WITH_* prefix for #if conditionals 2020-09-02 10:28:10 +02:00
virt-login-shell-helper.c Fix incorrect g_new0 conversions 2020-10-06 14:26:43 +02:00
virt-login-shell.c build: generate configmake.h in root directory 2020-01-29 14:51:39 +00:00
virt-login-shell.conf virt-login-shell: add ability to auto-detect shell from container 2016-06-10 11:03:02 +01:00
virt-pki-validate.in tools: Fix permissions for virt-pki-validate.in 2019-07-01 17:20:32 +02:00
virt-sanlock-cleanup.in build: Extract pod from source files 2016-04-25 15:40:43 +02:00
virt-xml-validate.in tools: fix XML validator detection of network port XML schema 2019-09-12 16:06:57 +01:00
vsh-table.c tools: use g_new0 instead of VIR_ALLOC* 2020-10-01 12:34:13 +02:00
vsh-table.h tools: use #pragma once in headers 2019-06-19 17:12:34 +02:00
vsh.c vsh: Rework how option to complete is found 2021-01-26 16:46:41 +01:00
vsh.h vsh: Rework how option to complete is found 2021-01-26 16:46:41 +01:00