Skip to content

Commit

Permalink
refactor: split startDb procedure on smaller ones
Browse files Browse the repository at this point in the history 
FossilOrigin-Name: 8112fe4900f56d33c97d25c9ffb7c6999f8b46e875cd392188de1fd780a5ef27
  • Loading branch information
@thindil
thindil committed May 29, 2024
1 parent a38c17c commit f41037d
Showing 1 changed file with 92 additions and 82 deletions.
174 changes: 92 additions & 82 deletions src/db.nim
View file
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,80 @@ proc closeDb*(returnCode: ResultCode; db) {.sideEffect, raises: [],
quit QuitFailure
quit returnCode.int

let shellOptions: array[12, Option] = [newOption(name = "dbVersion", value = "7",
description = "Version of the database schema (read only).",
valueType = OptionValType.natural, readOnly = true, defaultValue = "7"),
newOption(name = "promptCommand", value = "built-in",
description = "The command which output will be used as the prompt of shell.",
valueType = OptionValType.command, readOnly = false,
defaultValue = "built-in"), newOption(name = "setTitle", value = "true",
description = "Set a terminal title to currently running command.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true"),
newOption(name = "colorSyntax", value = "true",
description = "Color the user input with info about invalid commands, quotes, etc.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true"),
newOption(name = "completionAmount", value = "100",
description = "The amount of Tab completions to show.",
valueType = OptionValType.natural, readOnly = false,
defaultValue = "100"),
newOption(name = "outputHeaders", value = "unicode",
description = "How to present the headers of commands.",
valueType = OptionValType.header, readOnly = false,
defaultValue = "unicode"), newOption(name = "helpColumns", value = "5",
description = "The amount of columns for help list command.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "5"),
newOption(name = "completionColumns", value = "5",
description = "The amount of columns for Tab completion list.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "5"),
newOption(name = "completionCheckCase", value = "false",
description = "Tab completion for directories and files is case-sensitive.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "false"),
newOption(name = "suggestionPrecision", value = "1",
description = "How precise is the commands' suggestion system.",
valueType = OptionValType.natural, readOnly = false,
defaultValue = "1"),
newOption(name = "titleWidth", value = "30",
description = "The maximum length of a terminal title which will be set.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "30"),
newOption(name = "execWithShell", value = "true",
description = "Execute all commands by using the system's default shell.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true")]

proc createNewDb(db): bool =
try:
if db.createAliasesDb == QuitFailure:
return false
if db.createOptionsDb == QuitFailure:
return false
if db.createHistoryDb == QuitFailure:
return false
if db.createVariablesDb == QuitFailure:
return false
if db.createPluginsDb == QuitFailure:
return false
if db.createHelpDb == QuitFailure:
return false
if db.createCompletionDb == QuitFailure:
return false
if db.createThemeDb == QuitFailure:
return false
for option in shellOptions:
setOption(optionName = option.option, value = option.value,
description = option.description, valueType = option.valueType,
db = db, readOnly = (
if option.readOnly: 1 else: 0))
db.exec(query = sql(query = "PRAGMA journal_mode=WAL;"))
return true
except DbError:
return false

proc startDb*(dbPath: Path): DbConn {.sideEffect, raises: [], tags: [
ReadIOEffect, WriteDirEffect, DbEffect, WriteIOEffect, ReadEnvEffect,
TimeEffect, RootEffect], contractual.} =
Expand All @@ -90,74 +164,10 @@ proc startDb*(dbPath: Path): DbConn {.sideEffect, raises: [], tags: [
showError(message = "Can't open the shell's database. Reason: ",
e = getCurrentException(), db = nil)
return nil
let options: array[12, Option] = [newOption(name = "dbVersion", value = "7",
description = "Version of the database schema (read only).",
valueType = OptionValType.natural, readOnly = true, defaultValue = "7"),
newOption(name = "promptCommand", value = "built-in",
description = "The command which output will be used as the prompt of shell.",
valueType = OptionValType.command, readOnly = false,
defaultValue = "built-in"), newOption(name = "setTitle", value = "true",
description = "Set a terminal title to currently running command.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true"),
newOption(name = "colorSyntax", value = "true",
description = "Color the user input with info about invalid commands, quotes, etc.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true"),
newOption(name = "completionAmount", value = "100",
description = "The amount of Tab completions to show.",
valueType = OptionValType.natural, readOnly = false,
defaultValue = "100"),
newOption(name = "outputHeaders", value = "unicode",
description = "How to present the headers of commands.",
valueType = OptionValType.header, readOnly = false,
defaultValue = "unicode"), newOption(name = "helpColumns", value = "5",
description = "The amount of columns for help list command.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "5"),
newOption(name = "completionColumns", value = "5",
description = "The amount of columns for Tab completion list.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "5"),
newOption(name = "completionCheckCase", value = "false",
description = "Tab completion for directories and files is case-sensitive.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "false"),
newOption(name = "suggestionPrecision", value = "1",
description = "How precise is the commands' suggestion system.",
valueType = OptionValType.natural, readOnly = false,
defaultValue = "1"),
newOption(name = "titleWidth", value = "30",
description = "The maximum length of a terminal title which will be set.",
valueType = OptionValType.positive, readOnly = false,
defaultValue = "30"),
newOption(name = "execWithShell", value = "true",
description = "Execute all commands by using the system's default shell.",
valueType = OptionValType.boolean, readOnly = false,
defaultValue = "true")]
# Create a new database if not exists
if not dbExists:
if result.createAliasesDb == QuitFailure:
return nil
if result.createOptionsDb == QuitFailure:
return nil
if result.createHistoryDb == QuitFailure:
return nil
if result.createVariablesDb == QuitFailure:
return nil
if result.createPluginsDb == QuitFailure:
return nil
if result.createHelpDb == QuitFailure:
return nil
if result.createCompletionDb == QuitFailure:
return nil
if result.createThemeDb == QuitFailure:
if not createNewDb(db = result):
return nil
for option in options:
setOption(optionName = option.option, value = option.value,
description = option.description, valueType = option.valueType,
db = result, readOnly = (
if option.readOnly: 1 else: 0))
# If database version is different than the newest, update database
try:
let dbVersion: Natural = parseInt(s = $getOption(
Expand All @@ -182,7 +192,7 @@ proc startDb*(dbPath: Path): DbConn {.sideEffect, raises: [], tags: [
return nil
if result.createThemeDb == QuitFailure:
return nil
for option in options:
for option in shellOptions:
setOption(optionName = option.option, value = option.value,
description = option.description, valueType = option.valueType,
db = result, readOnly = (
Expand All @@ -198,13 +208,13 @@ proc startDb*(dbPath: Path): DbConn {.sideEffect, raises: [], tags: [
return nil
if result.createThemeDb == QuitFailure:
return nil
for i in options.low..options.high:
for i in shellOptions.low..shellOptions.high:
if i == 1:
continue
setOption(optionName = options[i].option, value = options[i].value,
description = options[i].description, valueType = options[i].valueType,
setOption(optionName = shellOptions[i].option, value = shellOptions[i].value,
description = shellOptions[i].description, valueType = shellOptions[i].valueType,
db = result, readOnly = (
if options[i].readOnly: 1 else: 0))
if shellOptions[i].readOnly: 1 else: 0))
of 3:
if result.updateOptionsDb(dbVersion = dbVersion) == QuitFailure:
return nil
Expand All @@ -219,32 +229,32 @@ proc startDb*(dbPath: Path): DbConn {.sideEffect, raises: [], tags: [
if result.createThemeDb == QuitFailure:
return nil
for i in [0, 8, 9, 10, 11]:
setOption(optionName = options[i].option, value = options[i].value,
description = options[i].description, valueType = options[i].valueType,
setOption(optionName = shellOptions[i].option, value = shellOptions[i].value,
description = shellOptions[i].description, valueType = shellOptions[i].valueType,
db = result, readOnly = (
if options[i].readOnly: 1 else: 0))
if shellOptions[i].readOnly: 1 else: 0))
of 4:
if result.createCompletionDb == QuitFailure:
return nil
for i in [0, 10, 11]:
setOption(optionName = options[i].option, value = options[i].value,
description = options[i].description, valueType = options[i].valueType,
setOption(optionName = shellOptions[i].option, value = shellOptions[i].value,
description = shellOptions[i].description, valueType = shellOptions[i].valueType,
db = result, readOnly = (
if options[i].readOnly: 1 else: 0))
if shellOptions[i].readOnly: 1 else: 0))
of 5:
if result.updateVariablesDb == QuitFailure:
return nil
if result.createThemeDb == QuitFailure:
return nil
for i in [0, 11]:
setOption(optionName = options[i].option, value = options[i].value,
description = options[i].description, valueType = options[i].valueType,
setOption(optionName = shellOptions[i].option, value = shellOptions[i].value,
description = shellOptions[i].description, valueType = shellOptions[i].valueType,
db = result, readOnly = (
if options[i].readOnly: 1 else: 0))
if shellOptions[i].readOnly: 1 else: 0))
of 6:
setOption(optionName = options[0].option, value = options[0].value,
description = options[0].description, valueType = options[0].valueType,
db = result, readOnly = (if options[0].readOnly: 1 else: 0))
setOption(optionName = shellOptions[0].option, value = shellOptions[0].value,
description = shellOptions[0].description, valueType = shellOptions[0].valueType,
db = result, readOnly = (if shellOptions[0].readOnly: 1 else: 0))
of 7:
discard
else:
Expand Down

0 comments on commit f41037d

Please sign in to comment.