package main
import (
- "github.com/gdamore/tcell"
- "io/ioutil"
- "path/filepath"
"regexp"
"strings"
+
+ "github.com/zyedidia/tcell"
)
// FileTypeRules represents a complete set of syntax rules for a filetype
var syntaxFiles map[[2]*regexp.Regexp]FileTypeRules
-// These syntax files are pre installed and embedded in the resulting binary by go-bindata
-var preInstalledSynFiles = []string{
- "Dockerfile",
- "apacheconf",
- "arduino",
- "asciidoc",
- "asm",
- "awk",
- "c",
- "cmake",
- "coffeescript",
- "colortest",
- "conf",
- "conky",
- "csharp",
- "css",
- "cython",
- "d",
- "dot",
- "erb",
- "fish",
- "fortran",
- "gentoo-ebuild",
- "gentoo-etc-portage",
- "git-commit",
- "git-config",
- "git-rebase-todo",
- "glsl",
- "go",
- "groff",
- "haml",
- "haskell",
- "html",
- "ini",
- "inputrc",
- "java",
- "javascript",
- "json",
- "keymap",
- "kickstart",
- "ledger",
- "lisp",
- "lua",
- "makefile",
- "man",
- "markdown",
- "mpdconf",
- "nanorc",
- "nginx",
- "ocaml",
- "patch",
- "peg",
- "perl",
- "perl6",
- "php",
- "pkg-config",
- "pkgbuild",
- "po",
- "pov",
- "privoxy-action",
- "privoxy-config",
- "privoxy-filter",
- "puppet",
- "python",
- "reST",
- "rpmspec",
- "ruby",
- "rust",
- "scala",
- "sed",
- "sh",
- "sls",
- "sql",
- "swift",
- "systemd",
- "tcl",
- "tex",
- "vala",
- "vi",
- "xml",
- "xresources",
- "yaml",
- "yum",
- "zsh",
-}
-
// LoadSyntaxFiles loads the syntax files from the default directory (configDir)
func LoadSyntaxFiles() {
- // Load the user's custom syntax files, if there are any
- LoadSyntaxFilesFromDir(configDir + "/syntax")
-
- // Load the pre-installed syntax files from inside the binary
- for _, filetype := range preInstalledSynFiles {
- data, err := Asset("runtime/syntax/" + filetype + ".micro")
- if err != nil {
- TermMessage("Unable to load pre-installed syntax file " + filetype)
- continue
- }
-
- LoadSyntaxFile(string(data), filetype+".micro")
- }
-}
-
-// LoadSyntaxFilesFromDir loads the syntax files from a specified directory
-// To load the syntax files, we must fill the `syntaxFiles` map
-// This involves finding the regex for syntax and if it exists, the regex
-// for the header. Then we must get the text for the file and the filetype.
-func LoadSyntaxFilesFromDir(dir string) {
InitColorscheme()
-
syntaxFiles = make(map[[2]*regexp.Regexp]FileTypeRules)
- files, _ := ioutil.ReadDir(dir)
- for _, f := range files {
- if filepath.Ext(f.Name()) == ".micro" {
- filename := dir + "/" + f.Name()
- text, err := ioutil.ReadFile(filename)
-
- if err != nil {
- TermMessage("Error loading syntax file " + filename + ": " + err.Error())
- return
- }
- LoadSyntaxFile(string(text), filename)
+ for _, f := range ListRuntimeFiles(RTSyntax) {
+ data, err := f.Data()
+ if err != nil {
+ TermMessage("Error loading syntax file " + f.Name() + ": " + err.Error())
+ } else {
+ LoadSyntaxFile(string(data), f.Name())
}
}
}
// in which case we should look that up in the colorscheme
// They can also just give us a straight up color
st := defStyle
- if _, ok := colorscheme[color]; ok {
- st = colorscheme[color]
+ groups := strings.Split(color, ".")
+ if len(groups) > 1 {
+ curGroup := ""
+ for i, g := range groups {
+ if i != 0 {
+ curGroup += "."
+ }
+ curGroup += g
+ if style, ok := colorscheme[curGroup]; ok {
+ st = style
+ }
+ }
+ } else if style, ok := colorscheme[color]; ok {
+ st = style
} else {
st = StringToStyle(color)
}
return rules
}
+// FindFileType finds the filetype for the given buffer
+func FindFileType(buf *Buffer) string {
+ for r := range syntaxFiles {
+ if r[1] != nil && r[1].MatchString(buf.Line(0)) {
+ // The header statement matches the first line
+ return syntaxFiles[r].filetype
+ }
+ }
+ for r := range syntaxFiles {
+ if r[0] != nil && r[0].MatchString(buf.Path) {
+ // The syntax statement matches the extension
+ return syntaxFiles[r].filetype
+ }
+ }
+ return "Unknown"
+}
+
// GetRules finds the syntax rules that should be used for the buffer
// and returns them. It also returns the filetype of the file
-func GetRules(buf *Buffer) ([]SyntaxRule, string) {
+func GetRules(buf *Buffer) []SyntaxRule {
for r := range syntaxFiles {
- if r[0] != nil && r[0].MatchString(buf.path) {
- // Check if the syntax statement matches the extension
- return LoadRulesFromFile(syntaxFiles[r].text, syntaxFiles[r].filename), syntaxFiles[r].filetype
- } else if r[1] != nil && r[1].MatchString(buf.lines[0]) {
- // Check if the header statement matches the first line
- return LoadRulesFromFile(syntaxFiles[r].text, syntaxFiles[r].filename), syntaxFiles[r].filetype
+ if syntaxFiles[r].filetype == buf.FileType() {
+ return LoadRulesFromFile(syntaxFiles[r].text, syntaxFiles[r].filename)
}
}
- return nil, "Unknown"
+ return nil
}
// SyntaxMatches is an alias to a map from character numbers to styles,
// so map[3] represents the style of the third character
type SyntaxMatches [][]tcell.Style
-// Match takes a buffer and returns the syntax matches a map specifying how it should be syntax highlighted
-// We need to check the start-end regexes for the entire buffer every time Match is called, but for the
-// non start-end rules, we only have to update the updateLines provided by the view
+// Match takes a buffer and returns the syntax matches: a 2d array specifying how it should be syntax highlighted
+// We match the rules from up `synLinesUp` lines and down `synLinesDown` lines
func Match(v *View) SyntaxMatches {
- buf := v.buf
- rules := v.buf.rules
+ buf := v.Buf
+ rules := v.Buf.rules
- viewStart := v.topline
- viewEnd := v.topline + v.height
- if viewEnd > len(buf.lines) {
- viewEnd = len(buf.lines)
+ viewStart := v.Topline
+ viewEnd := v.Topline + v.height
+ if viewEnd > buf.NumLines {
+ viewEnd = buf.NumLines
}
- // updateStart := v.updateLines[0]
- // updateEnd := v.updateLines[1]
- //
- // if updateEnd > len(buf.lines) {
- // updateEnd = len(buf.lines)
- // }
- // if updateStart < 0 {
- // updateStart = 0
- // }
- lines := buf.lines[viewStart:viewEnd]
- // updateLines := buf.lines[updateStart:updateEnd]
+ lines := buf.Lines(viewStart, viewEnd)
matches := make(SyntaxMatches, len(lines))
for i, line := range lines {
matches[i] = make([]tcell.Style, len(line)+1)
+ for j := range matches[i] {
+ matches[i][j] = defStyle
+ }
}
// We don't actually check the entire buffer, just from synLinesUp to synLinesDown
- totalStart := v.topline - synLinesUp
- totalEnd := v.topline + v.height + synLinesDown
+ totalStart := v.Topline - synLinesUp
+ totalEnd := v.Topline + v.height + synLinesDown
if totalStart < 0 {
totalStart = 0
}
- if totalEnd > len(buf.lines) {
- totalEnd = len(buf.lines)
+ if totalEnd > buf.NumLines {
+ totalEnd = buf.NumLines
}
- str := strings.Join(buf.lines[totalStart:totalEnd], "\n")
- startNum := ToCharPos(0, totalStart, v.buf)
-
- toplineNum := ToCharPos(0, v.topline, v.buf)
+ str := strings.Join(buf.Lines(totalStart, totalEnd), "\n")
+ startNum := ToCharPos(Loc{0, totalStart}, v.Buf)
for _, rule := range rules {
if rule.startend {
if indicies := rule.regex.FindAllStringIndex(str, -1); indicies != nil {
for _, value := range indicies {
- value[0] += startNum
- value[1] += startNum
- for i := value[0]; i < value[1]; i++ {
- if i < toplineNum {
+ value[0] = runePos(value[0], str) + startNum
+ value[1] = runePos(value[1], str) + startNum
+ startLoc := FromCharPos(value[0], buf)
+ endLoc := FromCharPos(value[1], buf)
+ for curLoc := startLoc; curLoc.LessThan(endLoc); curLoc = curLoc.Move(1, buf) {
+ if curLoc.Y < v.Topline {
continue
}
- colNum, lineNum := FromCharPosStart(toplineNum, 0, v.topline, i, buf)
+ colNum, lineNum := curLoc.X, curLoc.Y
if lineNum == -1 || colNum == -1 {
continue
}
for lineN, line := range lines {
if indicies := rule.regex.FindAllStringIndex(line, -1); indicies != nil {
for _, value := range indicies {
- for i := value[0]; i < value[1]; i++ {
- // matches[lineN+updateStart][i] = rule.style
+ start := runePos(value[0], line)
+ end := runePos(value[1], line)
+ for i := start; i < end; i++ {
matches[lineN][i] = rule.style
}
}
projects / micro.git / blobdiff