[X2Go-Commits] [x2goclient] 02/03: help.cpp: add support for newlines within descriptions.
git-admin at x2go.org
git-admin at x2go.org
Wed Apr 22 23:47:15 CEST 2015
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x2go pushed a commit to branch bugfix/help-cmd
in repository x2goclient.
commit 37b20f902940065bb8e21d5e0bcf0c37d0ba043b
Author: Mihai Moldovan <ionic at ionic.de>
Date: Wed Apr 22 23:46:23 2015 +0200
help.cpp: add support for newlines within descriptions.
---
debian/changelog | 1 +
src/help.cpp | 128 ++++++++++++++++++++++++++++++++----------------------
2 files changed, 76 insertions(+), 53 deletions(-)
diff --git a/debian/changelog b/debian/changelog
index b5d72b9..786d9a8 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -281,6 +281,7 @@ x2goclient (4.0.4.0-0x2go1) UNRELEASED; urgency=low
include hyphens correctly into the current line.
- help.cpp: don't let qCritical() add even more spaces or quotes around
the help message.
+ - help.cpp: add support for newlines within descriptions.
[ Fernando Pedemonte ]
* New upstream release (4.0.4.0):
diff --git a/src/help.cpp b/src/help.cpp
index 8eea079..d6ba5dd 100644
--- a/src/help.cpp
+++ b/src/help.cpp
@@ -89,6 +89,8 @@ help::params_t help::build_params () {
params_t ret;
# define ADD_OPT(param, desc) do { ret.append (params_elem_t (param, QObject::tr (desc))); } while (0)
+# define NEWLINE "\n"
+
ADD_OPT ("--help", "Shows this message.");
ADD_OPT ("--version", "Prints version information.");
@@ -140,6 +142,8 @@ help::params_t help::build_params () {
ADD_OPT ("--broker-ssh-key=<path to key>", "Sets the path to an SSH key to use for authentication against an SSH session broker. The client's behavior is undefined if this flag is used for non-SSH session brokers.");
ADD_OPT ("--broker-autologin", "Enables the use of the default SSH key or SSH agent for authentication against an SSH session broker. The client's behavior is undefined if this flag is used for non-SSH session brokers.");
ADD_OPT ("--broker-noauth", "Does not ask for user credentials during session broker authentication. This can be useful if you are using an HTTP(S) session broker without authentication. If you run an HTTP(S) server without authentication, but with user-specific profiles, then put the user name into the broker URL (refer to --broker-url.) The user name then will be extracted from the broker URL and be sent to the session broker. The client's behavior is undefined if this flag is used f [...]
+
+# undef NEWLINE
# undef ADD_OPT
return (ret);
@@ -193,71 +197,89 @@ QString help::pretty_print (help::data_t data) {
/* Append first two spaces to the general indent level for upcoming lines. */
indent += 2;
std::ptrdiff_t remaining = 0;
- std::size_t cur_len = (*it).second.size ();
- x2goDebug << "Going to output a description " << (*it).second.size () << " chars wide." << endl;
- if (0 != terminal_cols) {
- remaining = terminal_cols - (indent + (*it).first.size ());
- x2goDebug << "Still have " << remaining << " characters left on this line." << endl;
-
- /* Ran out of space? That's bad... print a newline and don't use any indentation level. */
- if (0 > remaining) {
- x2goDebug << "Ran out of space! Will break line and start the description on a new one." << endl;
- out << "\n";
- remaining = terminal_cols;
- indent = 0;
- }
-
- QString working_copy ((*it).second);
-
- do {
- cur_len = working_copy.size ();
- x2goDebug << "Trying to fit a (remaining) description " << cur_len << " characters wide." << endl;
- /* Fits onto the current line. Great! */
- if (remaining > static_cast<std::ptrdiff_t> (cur_len)) {
- x2goDebug << "Fit onto the current line. Done." << endl;
- out << working_copy;
- working_copy = "";
+ /* Split up description on newlines. */
+ QStringList desc_split = (*it).second.split ("\n");
+
+ for (QStringList::const_iterator desc_split_it = desc_split.constBegin (); desc_split_it != desc_split.constEnd (); ++desc_split_it) {
+ std::size_t cur_len = (*desc_split_it).size ();
+ x2goDebug << "Going to output a description " << (*desc_split_it).size () << " chars wide." << endl;
+ if (0 != terminal_cols) {
+ /*
+ * Only set this the first time right after having written the parameter and indent spaces.
+ * Don't change it after that.
+ */
+ if (desc_split_it == desc_split.constBegin ()) {
+ remaining = terminal_cols - (indent + (*it).first.size ());
+ }
+ x2goDebug << "Still have " << remaining << " characters left on this line." << endl;
+
+ /* Ran out of space? That's bad... print a newline and don't use any indentation level. */
+ if (0 > remaining) {
+ x2goDebug << "Ran out of space! Will break line and start the description on a new one." << endl;
+ out << "\n";
+ remaining = terminal_cols;
+ indent = 0;
}
- else {
- /* Try to find the next split point. */
- std::ptrdiff_t split_point_white = working_copy.lastIndexOf (" ", remaining - 1);
- std::ptrdiff_t split_point_hyphen = working_copy.lastIndexOf ("-", remaining - 1);
- /* Make sure the hyphen is part of the current line. */
- ++split_point_hyphen;
+ QString working_copy (*desc_split_it);
- std::ptrdiff_t split_point = std::max (split_point_white, split_point_hyphen);
+ do {
+ cur_len = working_copy.size ();
+ x2goDebug << "Trying to fit a (remaining) description " << cur_len << " characters wide." << endl;
- if (-1 == split_point) {
- /* No split point available. Just print it out and hope for better times... */
+ /* Fits onto the current line. Great! */
+ if (remaining > static_cast<std::ptrdiff_t> (cur_len)) {
+ x2goDebug << "Fit onto the current line. Done." << endl;
out << working_copy;
working_copy = "";
}
else {
- /* Yay, we can split. */
- x2goDebug << "Split onto " << working_copy.left (split_point);
- out << working_copy.left (split_point);
-
- x2goDebug << " and new part " << working_copy.mid (split_point + 1);
- working_copy = working_copy.mid (split_point + 1);
-
- /* Do the next chunk, if there are remaining characters. */
- if (!working_copy.isEmpty ()) {
- out << "\n";
- indent = terminal_cols - remaining;
- out << QString (" ").repeated (indent);
+ /* Try to find the next split point. */
+ std::ptrdiff_t split_point_white = working_copy.lastIndexOf (" ", remaining - 1);
+ std::ptrdiff_t split_point_hyphen = working_copy.lastIndexOf ("-", remaining - 1);
+
+ /* Make sure the hyphen is part of the current line. */
+ ++split_point_hyphen;
+
+ std::ptrdiff_t split_point = std::max (split_point_white, split_point_hyphen);
+
+ if (-1 == split_point) {
+ /* No split point available. Just print it out and hope for better times... */
+ out << working_copy;
+ working_copy = "";
+ }
+ else {
+ /* Yay, we can split. */
+ x2goDebug << "Split onto " << working_copy.left (split_point);
+ out << working_copy.left (split_point);
+
+ x2goDebug << " and new part " << working_copy.mid (split_point + 1);
+ working_copy = working_copy.mid (split_point + 1);
+
+ /* Do the next chunk, if there are remaining characters. */
+ if (!working_copy.isEmpty ()) {
+ out << "\n";
+ indent = terminal_cols - remaining;
+ out << QString (" ").repeated (indent);
+ }
}
}
- }
- } while (!working_copy.isEmpty ());
- }
- else {
- /* No idea what the terminal size is. Just print it all onto one line. */
- out << (*it).second;
- }
+ } while (!working_copy.isEmpty ());
+ }
+ else {
+ /* No idea what the terminal size is. Just print it all onto one line. */
+ out << (*desc_split_it);
+ }
+
+ out << "\n";
- out << "\n";
+ /* Add whitespace if description shall continue on next line. */
+ if ((desc_split_it + 1) != desc_split.constEnd ()) {
+ indent = terminal_cols - remaining;
+ out << QString (" ").repeated (indent);
+ }
+ }
}
qCritical ().nospace () << qPrintable (ret);
--
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