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Color: Added color handling
This commit is contained in:
Paul Beckingham
parent
bb03749a40
commit
cf7e5d30a7
5 changed files with 918 additions and 2 deletions
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@ -3,8 +3,10 @@ include_directories (${CMAKE_SOURCE_DIR}
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${CMAKE_SOURCE_DIR}/src
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${TIMEW_INCLUDE_DIRS})
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set (timew_SRCS utf8.h utf8.cpp
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wcwidth6.cpp)
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set (timew_SRCS Color.h Color.cpp
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text.h text.cpp
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utf8.h utf8.cpp
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wcwidth6.cpp)
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add_library (timew STATIC ${timew_SRCS})
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add_executable (timew_executable main.cpp)
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614
src/Color.cpp
Normal file
614
src/Color.cpp
Normal file
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@ -0,0 +1,614 @@
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////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// http://www.opensource.org/licenses/mit-license.php
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//
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////////////////////////////////////////////////////////////////////////////////
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#include <cmake.h>
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#include <Color.h>
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#include <iostream>
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#include <iomanip>
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#include <sstream>
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#include <vector>
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#include <algorithm>
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#include <cstdlib>
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#include <text.h>
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// uint to string lookup table for Color::_colorize()
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// _colorize() gets called _a lot_, having this lookup table is a cheap
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// performance optimization.
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const char *colorstring[] = {
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"0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
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"10", "11", "12", "13", "14", "15", "16", "17", "18", "19",
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"20", "21", "22", "23", "24", "25", "26", "27", "28", "29",
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"30", "31", "32", "33", "34", "35", "36", "37", "38", "39",
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"40", "41", "42", "43", "44", "45", "46", "47", "48", "49",
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"50", "51", "52", "53", "54", "55", "56", "57", "58", "59",
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"60", "61", "62", "63", "64", "65", "66", "67", "68", "69",
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"70", "71", "72", "73", "74", "75", "76", "77", "78", "79",
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"80", "81", "82", "83", "84", "85", "86", "87", "88", "89",
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"90", "91", "92", "93", "94", "95", "96", "97", "98", "99",
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"100", "101", "102", "103", "104", "105", "106", "107", "108", "109",
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"110", "111", "112", "113", "114", "115", "116", "117", "118", "119",
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"120", "121", "122", "123", "124", "125", "126", "127", "128", "129",
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"130", "131", "132", "133", "134", "135", "136", "137", "138", "139",
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"140", "141", "142", "143", "144", "145", "146", "147", "148", "149",
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"150", "151", "152", "153", "154", "155", "156", "157", "158", "159",
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"160", "161", "162", "163", "164", "165", "166", "167", "168", "169",
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"170", "171", "172", "173", "174", "175", "176", "177", "178", "179",
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"180", "181", "182", "183", "184", "185", "186", "187", "188", "189",
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"190", "191", "192", "193", "194", "195", "196", "197", "198", "199",
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"200", "201", "202", "203", "204", "205", "206", "207", "208", "209",
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"210", "211", "212", "213", "214", "215", "216", "217", "218", "219",
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"220", "221", "222", "223", "224", "225", "226", "227", "228", "229",
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"230", "231", "232", "233", "234", "235", "236", "237", "238", "239",
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"240", "241", "242", "243", "244", "245", "246", "247", "248", "249",
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"250", "251", "252", "253", "254", "255"
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};
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////////////////////////////////////////////////////////////////////////////////
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static struct
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{
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Color::color_id id;
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std::string english_name;
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int index; // offset red=3 (therefore fg=33, bg=43)
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} allColors[] =
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{
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// Color.h enum English Index
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{ Color::nocolor, "none", 0},
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{ Color::black, "black", 1}, // fg 29+0 bg 39+0
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{ Color::red, "red", 2},
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{ Color::green, "green", 3},
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{ Color::yellow, "yellow", 4},
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{ Color::blue, "blue", 5},
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{ Color::magenta, "magenta", 6},
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{ Color::cyan, "cyan", 7},
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{ Color::white, "white", 8},
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};
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#define NUM_COLORS (sizeof (allColors) / sizeof (allColors[0]))
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////////////////////////////////////////////////////////////////////////////////
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Color::Color ()
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: _value (0)
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::Color (const Color& other)
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{
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_value = other._value;
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::Color (unsigned int c)
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: _value (0)
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{
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if (!(c & _COLOR_HASFG)) _value &= ~_COLOR_FG;
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if (!(c & _COLOR_HASBG)) _value &= ~_COLOR_BG;
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_value = c & (_COLOR_256 | _COLOR_HASBG | _COLOR_HASFG |_COLOR_UNDERLINE |
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_COLOR_INVERSE | _COLOR_BOLD | _COLOR_BRIGHT | _COLOR_BG |
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_COLOR_FG);
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}
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////////////////////////////////////////////////////////////////////////////////
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// Supports the following constructs:
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// [bright] [color] [on color] [bright] [underline]
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//
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// Where [color] is one of:
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// black
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// red
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// ...
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// grayN 0 <= N <= 23 fg 38;5;232 + N bg 48;5;232 + N
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// greyN 0 <= N <= 23 fg 38;5;232 + N bg 48;5;232 + N
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// colorN 0 <= N <= 255 fg 38;5;N bg 48;5;N
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// rgbRGB 0 <= R,G,B <= 5 fg 38;5;16 + R*36 + G*6 + B bg 48;5;16 + R*36 + G*6 + B
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Color::Color (const std::string& spec)
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: _value (0)
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{
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// Split spec into words.
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std::vector <std::string> words;
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split (words, spec, ' ');
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// Construct the color as two separate colors, then blend them later. This
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// make it possible to declare a color such as "color1 on black", and have
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// the upgrade work properly.
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unsigned int fg_value = 0;
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unsigned int bg_value = 0;
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bool bg = false;
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int index;
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for (auto& word : words)
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{
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if (word == "bold") fg_value |= _COLOR_BOLD;
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else if (word == "bright") bg_value |= _COLOR_BRIGHT;
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else if (word == "underline") fg_value |= _COLOR_UNDERLINE;
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else if (word == "inverse") fg_value |= _COLOR_INVERSE;
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else if (word == "on") bg = true;
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// X where X is one of black, red, blue ...
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else if ((index = find (word)) != -1)
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{
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if (index)
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{
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if (bg)
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{
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bg_value |= _COLOR_HASBG;
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bg_value |= index << 8;
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}
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else
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{
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fg_value |= _COLOR_HASFG;
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fg_value |= index;
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}
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}
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}
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// greyN/grayN, where 0 <= N <= 23.
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else if (! word.compare (0, 4, "grey", 4) ||
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! word.compare (0, 4, "gray", 4))
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{
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index = strtol (word.substr (4).c_str (), NULL, 10);
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if (index < 0 || index > 23)
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throw format ("The color '{1}' is not recognized.", word);
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if (bg)
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{
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bg_value |= _COLOR_HASBG;
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bg_value |= (index + 232) << 8;
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bg_value |= _COLOR_256;
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}
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else
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{
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fg_value |= _COLOR_HASFG;
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fg_value |= index + 232;
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fg_value |= _COLOR_256;
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}
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}
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// rgbRGB, where 0 <= R,G,B <= 5.
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else if (! word.compare (0, 3, "rgb", 3))
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{
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index = strtol (word.substr (3).c_str (), NULL, 10);
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if (word.length () != 6 ||
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index < 0 || index > 555)
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throw format ("The color '{1}' is not recognized.", word);
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int r = strtol (word.substr (3, 1).c_str (), NULL, 10);
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int g = strtol (word.substr (4, 1).c_str (), NULL, 10);
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int b = strtol (word.substr (5, 1).c_str (), NULL, 10);
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if (r < 0 || r > 5 ||
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g < 0 || g > 5 ||
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b < 0 || b > 5)
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throw format ("The color '{1}' is not recognized.", word);
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index = 16 + r*36 + g*6 + b;
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if (bg)
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{
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bg_value |= _COLOR_HASBG;
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bg_value |= index << 8;
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bg_value |= _COLOR_256;
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}
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else
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{
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fg_value |= _COLOR_HASFG;
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fg_value |= index;
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fg_value |= _COLOR_256;
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}
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}
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// colorN, where 0 <= N <= 255.
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else if (! word.compare (0, 5, "color", 5))
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{
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index = strtol (word.substr (5).c_str (), NULL, 10);
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if (index < 0 || index > 255)
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throw format ("The color '{1}' is not recognized.", word);
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upgrade ();
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if (bg)
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{
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bg_value |= _COLOR_HASBG;
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bg_value |= index << 8;
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bg_value |= _COLOR_256;
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}
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else
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{
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fg_value |= _COLOR_HASFG;
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fg_value |= index;
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fg_value |= _COLOR_256;
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}
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}
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else if (word != "")
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throw format ("The color '{1}' is not recognized.", word);
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}
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// Now combine the fg and bg into a single color.
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_value = fg_value;
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blend (Color (bg_value));
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::Color (color_id fg)
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: _value (0)
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{
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if (fg != Color::nocolor)
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{
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_value |= _COLOR_HASFG;
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_value |= fg;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::Color (color_id fg, color_id bg, bool underline, bool bold, bool bright)
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: _value (0)
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{
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_value |= ((underline ? 1 : 0) << 18)
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| ((bold ? 1 : 0) << 17)
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| ((bright ? 1 : 0) << 16);
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if (bg != Color::nocolor)
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{
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_value |= _COLOR_HASBG;
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_value |= (bg << 8);
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}
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if (fg != Color::nocolor)
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{
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_value |= _COLOR_HASFG;
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_value |= fg;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::~Color ()
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{
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}
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////////////////////////////////////////////////////////////////////////////////
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Color& Color::operator= (const Color& other)
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{
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if (this != &other)
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_value = other._value;
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return *this;
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::operator std::string () const
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{
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std::string description;
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if (_value & _COLOR_BOLD) description += "bold";
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if (_value & _COLOR_UNDERLINE)
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description += std::string (description.length () ? " " : "") + "underline";
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if (_value & _COLOR_INVERSE)
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description += std::string (description.length () ? " " : "") + "inverse";
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if (_value & _COLOR_HASFG)
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description += std::string (description.length () ? " " : "") + fg ();
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if (_value & _COLOR_HASBG)
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{
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description += std::string (description.length () ? " " : "") + "on";
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if (_value & _COLOR_BRIGHT)
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description += std::string (description.length () ? " " : "") + "bright";
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description += " " + bg ();
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}
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return description;
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}
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////////////////////////////////////////////////////////////////////////////////
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Color::operator int () const
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{
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return (int) _value;
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}
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////////////////////////////////////////////////////////////////////////////////
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// If 'other' has styles that are compatible, merge them into this. Colors in
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// other take precedence.
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void Color::blend (const Color& other)
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{
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if (!other.nontrivial ())
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return;
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Color c (other);
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_value |= (c._value & _COLOR_UNDERLINE); // Always inherit underline.
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_value |= (c._value & _COLOR_INVERSE); // Always inherit inverse.
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// 16 <-- 16.
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if (!(_value & _COLOR_256) &&
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!(c._value & _COLOR_256))
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{
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_value |= (c._value & _COLOR_BOLD); // Inherit bold.
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_value |= (c._value & _COLOR_BRIGHT); // Inherit bright.
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if (c._value & _COLOR_HASFG)
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{
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_value |= _COLOR_HASFG; // There is now a color.
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_value &= ~_COLOR_FG; // Remove previous color.
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_value |= (c._value & _COLOR_FG); // Apply other color.
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}
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if (c._value & _COLOR_HASBG)
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{
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_value |= _COLOR_HASBG; // There is now a color.
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_value &= ~_COLOR_BG; // Remove previous color.
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_value |= (c._value & _COLOR_BG); // Apply other color.
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}
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return;
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}
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else
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{
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// Upgrade either color, if necessary.
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if (!(_value & _COLOR_256)) upgrade ();
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if (!(c._value & _COLOR_256)) c.upgrade ();
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// 256 <-- 256.
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if (c._value & _COLOR_HASFG)
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{
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_value |= _COLOR_HASFG; // There is now a color.
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_value &= ~_COLOR_FG; // Remove previous color.
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_value |= (c._value & _COLOR_FG); // Apply other color.
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}
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if (c._value & _COLOR_HASBG)
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{
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_value |= _COLOR_HASBG; // There is now a color.
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_value &= ~_COLOR_BG; // Remove previous color.
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_value |= (c._value & _COLOR_BG); // Apply other color.
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}
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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void Color::upgrade ()
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{
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if (!(_value & _COLOR_256))
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{
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if (_value & _COLOR_HASFG)
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{
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bool bold = _value & _COLOR_BOLD;
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unsigned int fg = _value & _COLOR_FG;
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_value &= ~_COLOR_FG;
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_value &= ~_COLOR_BOLD;
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_value |= (bold ? fg + 7 : fg - 1);
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}
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if (_value & _COLOR_HASBG)
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{
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bool bright = _value & _COLOR_BRIGHT;
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unsigned int bg = (_value & _COLOR_BG) >> 8;
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_value &= ~_COLOR_BG;
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_value &= ~_COLOR_BRIGHT;
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_value |= (bright ? bg + 7 : bg - 1) << 8;
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}
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_value |= _COLOR_256;
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}
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}
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////////////////////////////////////////////////////////////////////////////////
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std::string Color::colorize (const std::string& input)
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{
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std::string result;
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_colorize (result, input);
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return result;
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}
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////////////////////////////////////////////////////////////////////////////////
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// Sample color codes:
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// red \033[31m
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// bold red \033[91m
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// underline red \033[4;31m
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// bold underline red \033[1;4;31m
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//
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// on red \033[41m
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// on bright red \033[101m
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//
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// 256 fg \033[38;5;Nm
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// 256 bg \033[48;5;Nm
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void Color::_colorize (std::string &result, const std::string& input)
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{
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if (!nontrivial ())
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{
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result += input;
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return;
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}
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int count = 0;
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// 256 color
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if (_value & _COLOR_256)
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{
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if (_value & _COLOR_UNDERLINE)
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result += "\033[4m";
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if (_value & _COLOR_INVERSE)
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result += "\033[7m";
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||||
|
||||
if (_value & _COLOR_HASFG)
|
||||
{
|
||||
result += "\033[38;5;";
|
||||
result += colorstring[(_value & _COLOR_FG)];
|
||||
result += "m";
|
||||
}
|
||||
|
||||
if (_value & _COLOR_HASBG)
|
||||
{
|
||||
result += "\033[48;5;";
|
||||
result += colorstring[((_value & _COLOR_BG) >> 8)];
|
||||
result += "m";
|
||||
}
|
||||
|
||||
result += input;
|
||||
result += "\033[0m";
|
||||
}
|
||||
|
||||
// 16 color
|
||||
else
|
||||
{
|
||||
result += "\033[";
|
||||
|
||||
if (_value & _COLOR_BOLD)
|
||||
{
|
||||
if (count++) result += ";";
|
||||
result += "1";
|
||||
}
|
||||
|
||||
if (_value & _COLOR_UNDERLINE)
|
||||
{
|
||||
if (count++) result += ";";
|
||||
result += "4";
|
||||
}
|
||||
|
||||
if (_value & _COLOR_INVERSE)
|
||||
{
|
||||
if (count++) result += ";";
|
||||
result += "7";
|
||||
}
|
||||
|
||||
if (_value & _COLOR_HASFG)
|
||||
{
|
||||
if (count++) result += ";";
|
||||
result += colorstring[(29 + (_value & _COLOR_FG))];
|
||||
}
|
||||
|
||||
if (_value & _COLOR_HASBG)
|
||||
{
|
||||
if (count++) result += ";";
|
||||
result += colorstring[((_value & _COLOR_BRIGHT ? 99 : 39) + ((_value & _COLOR_BG) >> 8))];
|
||||
}
|
||||
|
||||
result += "m";
|
||||
result += input;
|
||||
result += "\033[0m";
|
||||
}
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Remove color codes from a string.
|
||||
std::string Color::strip (const std::string& input)
|
||||
{
|
||||
int length = input.length ();
|
||||
bool inside = false;
|
||||
std::string output;
|
||||
for (int i = 0; i < length; ++i)
|
||||
{
|
||||
if (inside)
|
||||
{
|
||||
if (input[i] == 'm')
|
||||
inside = false;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (input[i] == 033)
|
||||
inside = true;
|
||||
else
|
||||
output += input[i];
|
||||
}
|
||||
}
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
std::string Color::colorize (const std::string& input, const std::string& spec)
|
||||
{
|
||||
Color c (spec);
|
||||
return c.colorize (input);
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
bool Color::nontrivial () const
|
||||
{
|
||||
return _value != 0 ? true : false;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
int Color::find (const std::string& input)
|
||||
{
|
||||
for (unsigned int i = 0; i < NUM_COLORS; ++i)
|
||||
if (allColors[i].english_name == input)
|
||||
return (int) i;
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
std::string Color::fg () const
|
||||
{
|
||||
int index = _value & _COLOR_FG;
|
||||
|
||||
if (_value & _COLOR_256)
|
||||
{
|
||||
if (_value & _COLOR_HASFG)
|
||||
{
|
||||
std::stringstream s;
|
||||
s << "color" << (_value & _COLOR_FG);
|
||||
return s.str ();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (unsigned int i = 0; i < NUM_COLORS; ++i)
|
||||
if (allColors[i].index == index)
|
||||
return allColors[i].english_name;
|
||||
}
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
std::string Color::bg () const
|
||||
{
|
||||
int index = (_value & _COLOR_BG) >> 8;
|
||||
|
||||
if (_value & _COLOR_256)
|
||||
{
|
||||
if (_value & _COLOR_HASBG)
|
||||
{
|
||||
std::stringstream s;
|
||||
s << "color" << ((_value & _COLOR_BG) >> 8);
|
||||
return s.str ();
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
for (unsigned int i = 0; i < NUM_COLORS; ++i)
|
||||
if (allColors[i].index == index)
|
||||
return allColors[i].english_name;
|
||||
}
|
||||
|
||||
return "";
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
80
src/Color.h
Normal file
80
src/Color.h
Normal file
|
|
@ -0,0 +1,80 @@
|
|||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
// SOFTWARE.
|
||||
//
|
||||
// http://www.opensource.org/licenses/mit-license.php
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef INCLUDED_COLOR
|
||||
#define INCLUDED_COLOR
|
||||
|
||||
#include <string>
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
#define _COLOR_INVERSE 0x00400000 // Inverse attribute.
|
||||
#define _COLOR_256 0x00200000 // 256-color mode.
|
||||
#define _COLOR_HASBG 0x00100000 // Has background color (all values taken).
|
||||
#define _COLOR_HASFG 0x00080000 // Has foreground color (all values taken).
|
||||
#define _COLOR_UNDERLINE 0x00040000 // General underline attribute.
|
||||
#define _COLOR_BOLD 0x00020000 // 16-color bold attribute.
|
||||
#define _COLOR_BRIGHT 0x00010000 // 16-color bright background attribute.
|
||||
#define _COLOR_BG 0x0000FF00 // 8-bit background color index.
|
||||
#define _COLOR_FG 0x000000FF // 8-bit foreground color index.
|
||||
|
||||
class Color
|
||||
{
|
||||
public:
|
||||
enum color_id {nocolor = 0, black, red, green, yellow, blue, magenta, cyan, white};
|
||||
|
||||
Color ();
|
||||
Color (const Color&);
|
||||
Color (unsigned int); // 256 | INVERSE | UNDERLINE | BOLD | BRIGHT | (BG << 8) | FG
|
||||
Color (const std::string&); // "red on bright black"
|
||||
Color (color_id); // fg.
|
||||
Color (color_id, color_id, bool, bool, bool); // fg, bg, underline, bold, bright
|
||||
~Color ();
|
||||
Color& operator= (const Color&);
|
||||
operator std::string () const;
|
||||
operator int () const;
|
||||
|
||||
void upgrade ();
|
||||
void blend (const Color&);
|
||||
|
||||
std::string colorize (const std::string&);
|
||||
static std::string colorize (const std::string&, const std::string&);
|
||||
void _colorize (std::string&, const std::string&);
|
||||
static std::string strip (const std::string&);
|
||||
|
||||
bool nontrivial () const;
|
||||
|
||||
private:
|
||||
int find (const std::string&);
|
||||
std::string fg () const;
|
||||
std::string bg () const;
|
||||
|
||||
private:
|
||||
unsigned int _value;
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
139
src/text.cpp
Normal file
139
src/text.cpp
Normal file
|
|
@ -0,0 +1,139 @@
|
|||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
// SOFTWARE.
|
||||
//
|
||||
// http://www.opensource.org/licenses/mit-license.php
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#include <cmake.h>
|
||||
#include <algorithm>
|
||||
#include <iostream>
|
||||
#include <sstream>
|
||||
#include <iomanip>
|
||||
#include <vector>
|
||||
#include <string>
|
||||
#include <strings.h>
|
||||
#include <math.h>
|
||||
#include <text.h>
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
void split (
|
||||
std::vector<std::string>& results,
|
||||
const std::string& input,
|
||||
const char delimiter)
|
||||
{
|
||||
results.clear ();
|
||||
std::string::size_type start = 0;
|
||||
std::string::size_type i;
|
||||
while ((i = input.find (delimiter, start)) != std::string::npos)
|
||||
{
|
||||
results.push_back (input.substr (start, i - start));
|
||||
start = i + 1;
|
||||
}
|
||||
|
||||
if (input.length ())
|
||||
results.push_back (input.substr (start));
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string format (std::string& value)
|
||||
{
|
||||
return value;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string format (const char* value)
|
||||
{
|
||||
std::string s (value);
|
||||
return s;
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string formatHex (int value)
|
||||
{
|
||||
std::stringstream s;
|
||||
s.setf (std::ios::hex, std::ios::basefield);
|
||||
s << value;
|
||||
return s.str ();
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string format (float value, int width, int precision)
|
||||
{
|
||||
std::stringstream s;
|
||||
s.width (width);
|
||||
s.precision (precision);
|
||||
if (0 < value && value < 1)
|
||||
{
|
||||
// For value close to zero, width - 2 (2 accounts for the first zero and
|
||||
// the dot) is the number of digits after zero that are significant
|
||||
double factor = 1;
|
||||
for (int i = 2; i < width; i++)
|
||||
factor *= 10;
|
||||
value = roundf (value * factor) / factor;
|
||||
}
|
||||
s << value;
|
||||
return s.str ();
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string format (double value, int width, int precision)
|
||||
{
|
||||
std::stringstream s;
|
||||
s.width (width);
|
||||
s.precision (precision);
|
||||
if (0 < value && value < 1)
|
||||
{
|
||||
// For value close to zero, width - 2 (2 accounts for the first zero and
|
||||
// the dot) is the number of digits after zero that are significant
|
||||
double factor = 1;
|
||||
for (int i = 2; i < width; i++)
|
||||
factor *= 10;
|
||||
value = round (value * factor) / factor;
|
||||
}
|
||||
s << value;
|
||||
return s.str ();
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
const std::string format (double value)
|
||||
{
|
||||
std::stringstream s;
|
||||
s << std::fixed << value;
|
||||
return s.str ();
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
void replace_positional (
|
||||
std::string& fmt,
|
||||
const std::string& from,
|
||||
const std::string& to)
|
||||
{
|
||||
std::string::size_type pos = 0;
|
||||
while ((pos = fmt.find (from, pos)) != std::string::npos)
|
||||
{
|
||||
fmt.replace (pos, from.length (), to);
|
||||
pos += to.length ();
|
||||
}
|
||||
}
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
81
src/text.h
Normal file
81
src/text.h
Normal file
|
|
@ -0,0 +1,81 @@
|
|||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Copyright 2006 - 2015, Paul Beckingham, Federico Hernandez.
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
// SOFTWARE.
|
||||
//
|
||||
// http://www.opensource.org/licenses/mit-license.php
|
||||
//
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifndef INCLUDED_TEXT
|
||||
#define INCLUDED_TEXT
|
||||
|
||||
#include <set>
|
||||
#include <sstream>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
// text.cpp, Non-UTF-8 aware.
|
||||
void split (std::vector<std::string>&, const std::string&, const char);
|
||||
const std::string format (std::string&);
|
||||
const std::string format (const char*);
|
||||
const std::string formatHex (int);
|
||||
const std::string format (float, int, int);
|
||||
const std::string format (double, int, int);
|
||||
const std::string format (double);
|
||||
void replace_positional (std::string&, const std::string&, const std::string&);
|
||||
|
||||
template<typename T>
|
||||
const std::string format (T value)
|
||||
{
|
||||
std::stringstream s;
|
||||
s << value;
|
||||
return s.str ();
|
||||
}
|
||||
|
||||
template<typename T>
|
||||
const std::string format (int fmt_num, const std::string& fmt, T arg)
|
||||
{
|
||||
std::string output = fmt;
|
||||
replace_positional (output, "{" + format (fmt_num) + "}", format (arg));
|
||||
return output;
|
||||
}
|
||||
|
||||
template<typename T, typename... Args>
|
||||
const std::string format (int fmt_num, const std::string& fmt, T arg, Args... args)
|
||||
{
|
||||
const std::string fmt_replaced (format (fmt_num, fmt, arg));
|
||||
return format (fmt_num+1, fmt_replaced, args...);
|
||||
}
|
||||
|
||||
template<typename... Args>
|
||||
const std::string format (const std::string& fmt, Args... args)
|
||||
{
|
||||
return format (1, fmt, args...);
|
||||
}
|
||||
|
||||
std::string leftJustify (const int, const int);
|
||||
std::string leftJustify (const std::string&, const int);
|
||||
std::string rightJustifyZero (const int, const int);
|
||||
std::string rightJustify (const int, const int);
|
||||
std::string rightJustify (const std::string&, const int);
|
||||
|
||||
#endif
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
Loading…
Add table
Add a link
Reference in a new issue