|
| 1 | +package zine |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "errors" |
| 6 | + "flag" |
| 7 | + "fmt" |
| 8 | + "io" |
| 9 | + "os" |
| 10 | + "path/filepath" |
| 11 | + "regexp" |
| 12 | + "strings" |
| 13 | + "text/template" |
| 14 | +) |
| 15 | + |
| 16 | +var commands = map[string]func([]string) error{ |
| 17 | + "render": Render, |
| 18 | + "q": Q, |
| 19 | + "debug": Debug, |
| 20 | +} |
| 21 | + |
| 22 | +/* |
| 23 | +Run does read only operations on notes. |
| 24 | +
|
| 25 | +Command: zine |
| 26 | +*/ |
| 27 | +func Run(args []string, _ io.Reader) error { |
| 28 | + command := "render" |
| 29 | + if len(args) > 1 { |
| 30 | + command = args[1] |
| 31 | + } |
| 32 | + |
| 33 | + cmd, ok := commands[command] |
| 34 | + if !ok { |
| 35 | + return fmt.Errorf("unknown command «%s»; valid commands are 'render' and 'q'\n", command) |
| 36 | + } |
| 37 | + |
| 38 | + if err := cmd(args[1:]); err != nil { |
| 39 | + return err |
| 40 | + } |
| 41 | + |
| 42 | + return nil |
| 43 | +} |
| 44 | + |
| 45 | +// Q runs a query against the corpus. |
| 46 | +func Q(args []string) error { |
| 47 | + var root, sql, tpl string |
| 48 | + |
| 49 | + flags := flag.NewFlagSet("q", flag.ContinueOnError) |
| 50 | + flags.StringVar(&root, "root", "./content", "root input directory") |
| 51 | + flags.StringVar(&sql, "sql", "SELECT * FROM _", "sql to run") |
| 52 | + flags.StringVar(&tpl, "tpl", `{{join . "\t"}}`, "template to run") |
| 53 | + if err := flags.Parse(args[1:]); err != nil { |
| 54 | + return err |
| 55 | + } |
| 56 | + |
| 57 | + t := template.New("x") |
| 58 | + t.Funcs(template.FuncMap{ |
| 59 | + "join": func(is map[string]interface{}, sep string) string { |
| 60 | + s := make([]string, 0, len(is)) |
| 61 | + for i := range is { |
| 62 | + s = append(s, fmt.Sprint(is[i])) |
| 63 | + } |
| 64 | + return strings.Join(s, sep) |
| 65 | + }, |
| 66 | + }) |
| 67 | + |
| 68 | + t, err := t.Parse(tpl) |
| 69 | + if err != nil { |
| 70 | + return err |
| 71 | + } |
| 72 | + |
| 73 | + z, err := newZine() |
| 74 | + if err != nil { |
| 75 | + return err |
| 76 | + } |
| 77 | + z.root = root |
| 78 | + if err := z.load(nil); err != nil { |
| 79 | + return err |
| 80 | + } |
| 81 | + |
| 82 | + ret, err := z.q(sql, flags.Args()...) |
| 83 | + if err != nil { |
| 84 | + return err |
| 85 | + } |
| 86 | + |
| 87 | + for _, out := range ret { |
| 88 | + if err := t.Execute(os.Stdout, out); err != nil { |
| 89 | + return err |
| 90 | + } |
| 91 | + fmt.Println() |
| 92 | + } |
| 93 | + return nil |
| 94 | +} |
| 95 | + |
| 96 | +// Render will convert the corpus to html. |
| 97 | +func Render(args []string) error { |
| 98 | + var root, out, static string |
| 99 | + |
| 100 | + flags := flag.NewFlagSet("render", flag.ContinueOnError) |
| 101 | + flags.StringVar(&root, "root", "./content", "root input directory") |
| 102 | + flags.StringVar(&out, "out", "./public", "directory to render output to") |
| 103 | + flags.StringVar(&static, "static", "./static", "directory to prepopulate out with") |
| 104 | + if err := flags.Parse(args[1:]); err != nil { |
| 105 | + return err |
| 106 | + } |
| 107 | + |
| 108 | + z, err := newZine() |
| 109 | + if err != nil { |
| 110 | + return err |
| 111 | + } |
| 112 | + z.root = root |
| 113 | + |
| 114 | + metas := []article{} |
| 115 | + if err := z.load(&metas); err != nil { |
| 116 | + return err |
| 117 | + } |
| 118 | + |
| 119 | + if err := os.RemoveAll(out); err != nil { |
| 120 | + return err |
| 121 | + } |
| 122 | + |
| 123 | + if err := filepath.Walk(static, func(path string, info os.FileInfo, err error) error { |
| 124 | + if err != nil { |
| 125 | + return err |
| 126 | + } |
| 127 | + if info.IsDir() { |
| 128 | + return nil |
| 129 | + } |
| 130 | + |
| 131 | + rel, err := filepath.Rel(static, path) |
| 132 | + if err != nil { |
| 133 | + return err |
| 134 | + } |
| 135 | + dir := filepath.Dir(rel) |
| 136 | + if err := os.MkdirAll(filepath.Join(out, dir), 0755); err != nil { |
| 137 | + return err |
| 138 | + } |
| 139 | + |
| 140 | + from, err := os.Open(path) |
| 141 | + if err != nil { |
| 142 | + return err |
| 143 | + } |
| 144 | + defer from.Close() |
| 145 | + |
| 146 | + to, err := os.Create(filepath.Join(out, rel)) |
| 147 | + if err != nil { |
| 148 | + return err |
| 149 | + } |
| 150 | + defer to.Close() |
| 151 | + |
| 152 | + if _, err := io.Copy(to, from); err != nil { |
| 153 | + return err |
| 154 | + } |
| 155 | + |
| 156 | + return nil |
| 157 | + }); err != nil { |
| 158 | + return err |
| 159 | + } |
| 160 | + |
| 161 | + for i := range metas { |
| 162 | + // don't be running on windows |
| 163 | + dir := filepath.Join(out, metas[i].URL) |
| 164 | + if err := os.MkdirAll(dir, 0755); err != nil { |
| 165 | + return fmt.Errorf("couldn't create dir for %s: %w", metas[i].Filename, err) |
| 166 | + } |
| 167 | + |
| 168 | + b, err := z.render(metas[i]) |
| 169 | + if err != nil { |
| 170 | + return fmt.Errorf("couldn't render %s: %w", metas[i].Filename, err) |
| 171 | + } |
| 172 | + |
| 173 | + f, err := os.Create(filepath.Join(dir, "index.html")) |
| 174 | + if err != nil { |
| 175 | + return fmt.Errorf("couldn't create %s: %w", filepath.Join(dir, "index.html"), err) |
| 176 | + } |
| 177 | + |
| 178 | + if _, err := io.Copy(f, bytes.NewReader(b)); err != nil { |
| 179 | + return fmt.Errorf("couldn't copy: %w", err) |
| 180 | + } |
| 181 | + } |
| 182 | + |
| 183 | + return nil |
| 184 | +} |
| 185 | + |
| 186 | +func Debug(args []string) error { |
| 187 | + var root, file string |
| 188 | + |
| 189 | + flags := flag.NewFlagSet("debug", flag.ContinueOnError) |
| 190 | + flags.StringVar(&root, "root", "./content", "root input directory") |
| 191 | + flags.StringVar(&file, "file", "", "file to render to markdown") |
| 192 | + if err := flags.Parse(args[1:]); err != nil { |
| 193 | + return err |
| 194 | + } |
| 195 | + |
| 196 | + if file == "" { |
| 197 | + return errors.New("-file argument is required") |
| 198 | + } |
| 199 | + |
| 200 | + fileMatcher, err := regexp.Compile(file) |
| 201 | + if err != nil { |
| 202 | + return err |
| 203 | + } |
| 204 | + |
| 205 | + z, err := newZine() |
| 206 | + if err != nil { |
| 207 | + return err |
| 208 | + } |
| 209 | + z.root = root |
| 210 | + |
| 211 | + metas := []article{} |
| 212 | + if err := z.load(&metas); err != nil { |
| 213 | + return err |
| 214 | + } |
| 215 | + |
| 216 | + for i := range metas { |
| 217 | + if !fileMatcher.MatchString(metas[i].Filename) { |
| 218 | + continue |
| 219 | + } |
| 220 | + |
| 221 | + b, err := z.renderToMarkdown(metas[i]) |
| 222 | + if err != nil { |
| 223 | + return fmt.Errorf("couldn't render %s: %w", metas[i].Filename, err) |
| 224 | + } |
| 225 | + |
| 226 | + if _, err := io.Copy(os.Stdout, bytes.NewReader(b)); err != nil { |
| 227 | + return fmt.Errorf("couldn't copy: %w", err) |
| 228 | + } |
| 229 | + } |
| 230 | + |
| 231 | + return nil |
| 232 | +} |
0 commit comments