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-rw-r--r--src/bridge/bridge.cpp26
-rw-r--r--src/bridge/bridge.hpp3
-rw-r--r--src/bridge/colors.cpp162
-rw-r--r--src/bridge/colors.hpp56
4 files changed, 220 insertions, 27 deletions
diff --git a/src/bridge/bridge.cpp b/src/bridge/bridge.cpp
index e08e2a4..7e6f801 100644
--- a/src/bridge/bridge.cpp
+++ b/src/bridge/bridge.cpp
@@ -21,14 +21,14 @@ Bridge::~Bridge()
{
}
-std::string Bridge::sanitize_for_xmpp(const std::string& str)
+Xmpp::body Bridge::make_xmpp_body(const std::string& str)
{
std::string res;
if (utils::is_valid_utf8(str.c_str()))
res = str;
else
res = utils::convert_to_utf8(str, "ISO-8859-1");
- return res;
+ return irc_format_to_xhtmlim(res);
}
IrcClient* Bridge::get_irc_client(const std::string& hostname, const std::string& username)
@@ -102,7 +102,8 @@ void Bridge::send_channel_message(const Iid& iid, const std::string& body)
irc->send_channel_message(iid.chan, *it);
// We do not need to convert body to utf-8: it comes from our XMPP server,
// so it's ok to send it back
- this->xmpp->send_muc_message(iid.chan + "%" + iid.server, irc->get_own_nick(), body, this->user_jid);
+ this->xmpp->send_muc_message(iid.chan + "%" + iid.server, irc->get_own_nick(),
+ this->make_xmpp_body(body), this->user_jid);
}
void Bridge::send_private_message(const Iid& iid, const std::string& body)
@@ -137,22 +138,17 @@ void Bridge::send_irc_kick(const Iid& iid, const std::string& target, const std:
void Bridge::send_message(const Iid& iid, const std::string& nick, const std::string& body, const bool muc)
{
- std::string utf8_body = this->sanitize_for_xmpp(body);
- if (utf8_body.substr(0, action_prefix_len) == action_prefix)
- { // Special case for ACTION (/me) messages:
- // "\01ACTION goes out\01" == "/me goes out"
- utf8_body = std::string("/me ") +
- utf8_body.substr(action_prefix_len, utf8_body.size() - action_prefix_len - 1);
- }
if (muc)
- this->xmpp->send_muc_message(iid.chan + "%" + iid.server, nick, utf8_body, this->user_jid);
+ this->xmpp->send_muc_message(iid.chan + "%" + iid.server, nick,
+ this->make_xmpp_body(body), this->user_jid);
else
- this->xmpp->send_message(iid.chan + "%" + iid.server, utf8_body, this->user_jid);
+ this->xmpp->send_message(iid.chan + "%" + iid.server,
+ this->make_xmpp_body(body), this->user_jid);
}
void Bridge::send_muc_leave(Iid&& iid, std::string&& nick, const std::string& message, const bool self)
{
- this->xmpp->send_muc_leave(std::move(iid.chan) + "%" + std::move(iid.server), std::move(nick), this->sanitize_for_xmpp(message), this->user_jid, self);
+ this->xmpp->send_muc_leave(std::move(iid.chan) + "%" + std::move(iid.server), std::move(nick), this->make_xmpp_body(message), this->user_jid, self);
}
void Bridge::send_nick_change(Iid&& iid, const std::string& old_nick, const std::string& new_nick, const bool self)
@@ -168,7 +164,7 @@ void Bridge::send_xmpp_message(const std::string& from, const std::string& autho
body = std::string("[") + author + std::string("] ") + msg;
else
body = msg;
- this->xmpp->send_message(from, this->sanitize_for_xmpp(body), this->user_jid);
+ this->xmpp->send_message(from, this->make_xmpp_body(body), this->user_jid);
}
void Bridge::send_user_join(const std::string& hostname, const std::string& chan_name, const std::string nick)
@@ -183,7 +179,7 @@ void Bridge::send_self_join(const std::string& hostname, const std::string& chan
void Bridge::send_topic(const std::string& hostname, const std::string& chan_name, const std::string topic)
{
- this->xmpp->send_topic(chan_name + "%" + hostname, this->sanitize_for_xmpp(topic), this->user_jid);
+ this->xmpp->send_topic(chan_name + "%" + hostname, this->make_xmpp_body(topic), this->user_jid);
}
std::string Bridge::get_own_nick(const Iid& iid)
diff --git a/src/bridge/bridge.hpp b/src/bridge/bridge.hpp
index b2124bd..1443191 100644
--- a/src/bridge/bridge.hpp
+++ b/src/bridge/bridge.hpp
@@ -2,6 +2,7 @@
# define BRIDGE_INCLUDED
#include <irc/irc_client.hpp>
+#include <bridge/colors.hpp>
#include <irc/iid.hpp>
#include <unordered_map>
@@ -23,7 +24,7 @@ public:
explicit Bridge(const std::string& user_jid, XmppComponent* xmpp, Poller* poller);
~Bridge();
- static std::string sanitize_for_xmpp(const std::string& str);
+ static Xmpp::body make_xmpp_body(const std::string& str);
/***
**
** From XMPP to IRC.
diff --git a/src/bridge/colors.cpp b/src/bridge/colors.cpp
index 2f30354..024121b 100644
--- a/src/bridge/colors.cpp
+++ b/src/bridge/colors.cpp
@@ -1,7 +1,169 @@
#include <bridge/colors.hpp>
+#include <xmpp/xmpp_stanza.hpp>
+#include <utils/make_unique.hpp>
+
#include <algorithm>
#include <iostream>
+#include <string.h>
+
+static const char IRC_NUM_COLORS = 16;
+
+static const char* irc_colors_to_css[IRC_NUM_COLORS] = {
+ "white",
+ "black",
+ "blue",
+ "green",
+ "indianred",
+ "red",
+ "magenta",
+ "brown",
+ "yellow",
+ "lightgreen",
+ "cyan",
+ "lightcyan",
+ "lightblue",
+ "lightmagenta",
+ "gray",
+ "white",
+};
+
+#define XHTML_NS "http://www.w3.org/1999/xhtml"
+
+struct styles_t
{
+ bool strong;
+ bool underline;
+ bool italic;
+ int fg;
+ int bg;
+};
+
+/** We keep the currently-applied CSS styles in a structure. Each time a tag
+ * is found, update this style list, then close the current span XML element
+ * (if it is open), then reopen it with all the new styles in it. This is
+ * done this way because IRC formatting does not map well with XML
+ * (hierarchical tags), it’s a lot easier and cleaner to remove all styles
+ * and reapply them for each tag, instead of trying to keep a consistent
+ * hierarchy of span, strong, em etc tags. The generated XML is one-level
+ * deep only.
+*/
+Xmpp::body irc_format_to_xhtmlim(const std::string& s)
+{
+ if (s.find_first_of(irc_format_char) == std::string::npos)
+ // there is no special formatting at all
+ return std::make_tuple(s, nullptr);
+
+ std::string cleaned;
+
+ styles_t styles = {false, false, false, -1, -1};
+
+ std::unique_ptr<XmlNode> result = std::make_unique<XmlNode>("body");
+ (*result)["xmlns"] = XHTML_NS;
+
+ XmlNode* current_node = result.get();
+ std::string::size_type pos_start = 0;
+ std::string::size_type pos_end;
+
+ while ((pos_end = s.find_first_of(irc_format_char, pos_start)) != std::string::npos)
+ {
+ const std::string txt = s.substr(pos_start, pos_end-pos_start);
+ cleaned += txt;
+ if (current_node->has_children())
+ current_node->get_last_child()->set_tail(txt);
+ else
+ current_node->set_inner(txt);
+
+ if (s[pos_end] == IRC_FORMAT_BOLD_CHAR)
+ styles.strong = !styles.strong;
+ else if (s[pos_end] == IRC_FORMAT_UNDERLINE_CHAR)
+ styles.underline = !styles.underline;
+ else if (s[pos_end] == IRC_FORMAT_ITALIC_CHAR)
+ styles.italic = !styles.italic;
+ else if (s[pos_end] == IRC_FORMAT_RESET_CHAR)
+ styles = {false, false, false, -1, -1};
+ else if (s[pos_end] == IRC_FORMAT_REVERSE_CHAR)
+ { } // TODO
+ else if (s[pos_end] == IRC_FORMAT_REVERSE2_CHAR)
+ { } // TODO
+ else if (s[pos_end] == IRC_FORMAT_FIXED_CHAR)
+ { } // TODO
+ else if (s[pos_end] == IRC_FORMAT_COLOR_CHAR)
+ {
+ size_t pos = pos_end + 1;
+ styles.fg = -1;
+ styles.bg = -1;
+ // get the first number following the format char
+ if (pos < s.size() && s[pos] >= '0' && s[pos] <= '9')
+ { // first digit
+ styles.fg = s[pos++] - '0';
+ if (pos < s.size() && s[pos] >= '0' && s[pos] <= '9')
+ // second digit
+ styles.fg = styles.fg * 10 + s[pos++] - '0';
+ }
+ if (pos < s.size() && s[pos] == ',')
+ { // get bg color after the comma
+ pos++;
+ if (pos < s.size() && s[pos] >= '0' && s[pos] <= '9')
+ { // first digit
+ styles.bg = s[pos++] - '0';
+ if (pos < s.size() && s[pos] >= '0' && s[pos] <= '9')
+ // second digit
+ styles.bg = styles.bg * 10 + s[pos++] - '0';
+ }
+ }
+ pos_end = pos - 1;
+ }
+
+ // close opened span, if any
+ if (current_node != result.get())
+ {
+ current_node->close();
+ result->add_child(current_node);
+ current_node = result.get();
+ }
+ // Take all currently-applied style and create a new span with it
+ std::string styles_str;
+ if (styles.strong)
+ styles_str += "font-weight:bold;";
+ if (styles.underline)
+ styles_str += "text-decoration:underline;";
+ if (styles.italic)
+ styles_str += "font-style:italic;";
+ if (styles.fg != -1)
+ styles_str += std::string("color:") +
+ irc_colors_to_css[styles.fg % IRC_NUM_COLORS] + ";";
+ if (styles.bg != -1)
+ styles_str += std::string("background-color:") +
+ irc_colors_to_css[styles.bg % IRC_NUM_COLORS] + ";";
+ if (!styles_str.empty())
+ {
+ current_node = new XmlNode("span");
+ (*current_node)["style"] = styles_str;
+ }
+
+ pos_start = pos_end + 1;
+ }
+
+ // If some text remains, without any format char, just append that text at
+ // the end of the current node
+ const std::string txt = s.substr(pos_start, pos_end-pos_start);
+ cleaned += txt;
+ if (current_node->has_children())
+ current_node->get_last_child()->set_tail(txt);
+ else
+ current_node->set_inner(txt);
+
+ if (current_node != result.get())
+ {
+ current_node->close();
+ result->add_child(current_node);
+ current_node = result.get();
+ }
+
+
+ result->close();
+ Xmpp::body body_res = std::make_tuple(cleaned, std::move(result));
+ return body_res;
}
diff --git a/src/bridge/colors.hpp b/src/bridge/colors.hpp
index da4498c..82e6faf 100644
--- a/src/bridge/colors.hpp
+++ b/src/bridge/colors.hpp
@@ -1,20 +1,54 @@
#ifndef COLORS_INCLUDED
# define COLORS_INCLUDED
-#include <string>
-
/**
- * A module handling the conversion between IRC colors and XHTML-IM, and vice versa.
+ * A module handling the conversion between IRC colors and XHTML-IM, and
+ * vice versa.
*/
-#define IRC_COLOR_BOLD_CHAR '\x02'
-#define IRC_COLOR_COLOR_CHAR '\x03'
-#define IRC_COLOR_RESET_CHAR '\x0F'
-#define IRC_COLOR_FIXED_CHAR '\x11'
-#define IRC_COLOR_REVERSE_CHAR '\x12'
-#define IRC_COLOR_REVERSE2_CHAR '\x16'
-#define IRC_COLOR_ITALIC_CHAR '\x1D'
-#define IRC_COLOR_UNDERLINE_CHAR '\x1F'
+#include <string>
+#include <memory>
+#include <tuple>
+
+class XmlNode;
+
+namespace Xmpp
+{
+// Contains:
+// - an XMPP-valid UTF-8 body
+// - an XML node representing the XHTML-IM body, or null
+ typedef std::tuple<const std::string, std::unique_ptr<XmlNode>> body;
+}
+#define IRC_FORMAT_BOLD_CHAR '\x02' // done
+#define IRC_FORMAT_COLOR_CHAR '\x03' // done
+#define IRC_FORMAT_RESET_CHAR '\x0F' // done
+#define IRC_FORMAT_FIXED_CHAR '\x11' // ??
+#define IRC_FORMAT_REVERSE_CHAR '\x12' // maybe one day
+#define IRC_FORMAT_REVERSE2_CHAR '\x16' // wat
+#define IRC_FORMAT_ITALIC_CHAR '\x1D' // done
+#define IRC_FORMAT_UNDERLINE_CHAR '\x1F' // done
+
+static const char irc_format_char[] = {
+ IRC_FORMAT_BOLD_CHAR,
+ IRC_FORMAT_COLOR_CHAR,
+ IRC_FORMAT_RESET_CHAR,
+ IRC_FORMAT_FIXED_CHAR,
+ IRC_FORMAT_REVERSE_CHAR,
+ IRC_FORMAT_REVERSE2_CHAR,
+ IRC_FORMAT_ITALIC_CHAR,
+ IRC_FORMAT_UNDERLINE_CHAR,
+ '\x00'
+};
+
+/**
+ * Convert the passed string into an XML tree representing the XHTML version
+ * of the message, converting the IRC colors symbols into xhtml-im
+ * formatting.
+ *
+ * Returns the body cleaned from any IRC formatting (but without any xhtml),
+ * and the body as XHTML-IM
+ */
+Xmpp::body irc_format_to_xhtmlim(const std::string& str);
#endif // COLORS_INCLUDED
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 03:59:43 +0000