Added Boost file/maybe use boost-regex?

boost-pipecolors.cpp

@@ -0,0 +1,130 @@
+/*
+ * libpipecolors: linux color code library
+ *
+ * Authors:
+ * Eric Wheeler <eric@ericwheeler.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <iostream>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string>
+#include <map>
+#include <regex>
+#include "pipecolors.h"
+
+namespace pipecolors {
+
+#define C_DEFAULT      0
+#define C_BOLD         1
+#define C_ITALIC       3
+#define C_UNDERLINE    4
+#define C_INVERT       7
+
+#define C_B0           "\x1b[1m"
+#define C_B1           "\x1b[0m"
+
+#define C_FG_BLACK     "\x1b[0;30m"
+#define C_FG_RED       "\x1b[0;31m"
+#define C_FG_GREEN     "\x1b[0;32m"
+#define C_FG_YELLOW    "\x1b[0;33m"
+#define C_FG_BLUE      "\x1b[0;34m"
+#define C_FG_MAGENTA   "\x1b[0;35m"
+#define C_FG_CYAN      "\x1b[0;36m"
+#define C_FG_GRAY      "\x1b[0;37m"
+#define C_FG_DEFAULT   "\x1b[0;39m"
+
+
+#define C_FG_GRAY_D    "\x1b[0;90m"
+#define C_FG_RED_L     "\x1b[0;91m"
+#define C_FG_GREEN_L   "\x1b[0;92m"
+#define C_FG_YELLOW_L  "\x1b[0;93m"
+#define C_FG_BLUE_L    "\x1b[0;94m"
+#define C_FG_MAGENTA_L "\x1b[0;95m"
+#define C_FG_CYAN_L    "\x1b[0;96m"
+#define C_FG_WHITE     "\x1b[0;97m"
+
+#define C_BG_NONE      ""
+#define C_BG_RED       "\x1b[1;41m"
+#define C_BG_GREEN     "\x1b[1;42m"
+#define C_BG_BLUE      "\x1b[1;44m"
+#define C_BG_DEFAULT   "\x1b[1;49m"
+
+ std::map<std::string, std::string> getColors() {
+  std::map<std::string, std::string> colors;
+  colors["|00"] = C_FG_BLACK;
+  colors["|01"] = C_FG_BLUE;
+  colors["|02"] = C_FG_GREEN;
+  colors["|03"] = C_FG_CYAN;
+  colors["|04"] = C_FG_RED;
+  colors["|05"] = C_FG_MAGENTA;
+  colors["|06"] = C_FG_YELLOW;
+  colors["|07"] = C_FG_GRAY;
+  colors["|08"] = C_FG_GRAY_D;
+  colors["|09"] = C_FG_BLUE_L;
+  colors["|10"] = C_FG_GREEN_L;
+  colors["|11"] = C_FG_CYAN_L;
+  colors["|12"] = C_FG_RED_L;
+  colors["|13"] = C_FG_MAGENTA_L;
+  colors["|14"] = C_FG_YELLOW_L;
+  colors["|15"] = C_FG_WHITE;
+  colors["|16"] = C_BG_DEFAULT; // C_BG_BLACK
+  colors["|17"] = C_BG_BLUE;
+  colors["|18"] = C_BG_GREEN;
+  colors["|19"] = C_BG_BLUE; // C_BG_CYAN
+  colors["|20"] = C_BG_RED;
+  colors["|21"] = C_BG_RED; // C_BG_MAGENTA
+  colors["|22"] = C_FG_WHITE; //C_BG_BROWN
+  colors["|23"] = C_BG_DEFAULT; // C_BG_WHITE
+  colors["|30"] = C_B0; //Bold OFF
+  colors["|31"] = C_B1; // Bold ON
+  return colors;
+}
+
+bool has_colors(void) {
+  return isatty(fileno(stdout));
+}
+
+void pcprintf( const char * fmt, ... ) {
+
+  char buffer[256];
+  std::map<std::string, std::string> colors;
+
+  va_list args;
+  va_start(args, fmt);
+  vasprintf(buffer, fmt, args);
+  std::string text(buffer), s(buffer);
+  va_end(args);
+  std::size_t index;
+
+  std::smatch matches;
+  std::regex reg ("(\\|\\d\\d)", std::regex_constants::ECMAScript | std::regex_constants::nosubs);
+
+  colors = getColors();
+  while (std::regex_search (text,matches,reg)) {
+    for (auto x:matches) {
+      while ((index = s.find(x)) != std::string::npos)
+        s.replace(index, x.length(), colors[x]);
+    }
+    text = matches.suffix().str();
+  }
+
+  std::cout << s;
+
+}
+}