10152339701

Committed 29 Jul 2024 09:45PM UTC coverage: 84.437% (+0.07%) from 84.372%

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Merge pull request #3566 from felixschurk/add-clang-format

Add clang-format to enforce style guide

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/src/commands/CmdContext.cpp

////////////////////////////////////////////////////////////////////////////////
//
// Copyright 2006 - 2021, Tomas Babej, 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.
//
// https://www.opensource.org/licenses/mit-license.php
//
////////////////////////////////////////////////////////////////////////////////

#include <cmake.h>
// cmake.h include header must come first

#include <CmdConfig.h>
#include <CmdContext.h>
#include <Context.h>
#include <Filter.h>
#include <Table.h>
#include <format.h>
#include <main.h>
#include <shared.h>
#include <util.h>

#include <algorithm>
#include <set>
#include <sstream>

////////////////////////////////////////////////////////////////////////////////
CmdContext::CmdContext() {
  _keyword = "context";
  _usage = "task          context [<name> | <subcommand>]";
  _description = "Set and define contexts (default filters / modifications)";
  _read_only = true;
  _displays_id = false;
  _needs_gc = false;
  _uses_context = false;
  _accepts_filter = false;
  _accepts_modifications = false;
  _accepts_miscellaneous = true;
  _category = Command::Category::context;
}

////////////////////////////////////////////////////////////////////////////////
int CmdContext::execute(std::string& output) {
  std::stringstream out;

  // Get the non-attribute, non-fancy command line arguments.
  auto words = Context::getContext().cli2.getWords();
  if (words.size() > 0) {
    auto subcommand = words[0];

    if (subcommand == "define")
      defineContext(words, out);
    else if (subcommand == "delete")
      deleteContext(words, out);
    else if (subcommand == "list")
      listContexts(out);
    else if (subcommand == "none")
      unsetContext(out);
    else if (subcommand == "show")
      showContext(out);
    else if (words.size())
      setContext(words, out);
  } else {
    listContexts(out);
    out << "Use 'task context none' to unset the current context.\n";
  }

  output = out.str();
  return 0;
}

////////////////////////////////////////////////////////////////////////////////
// Joins all the words in the specified interval <from, to) to one string,
// which is then returned.
//
// If to is specified as 0 (default value), all the remaining words will be joined.
//
std::string CmdContext::joinWords(const std::vector<std::string>& words, unsigned int from,
                                  unsigned int to /* = 0 */) {
  std::string value = "";

  if (to == 0) to = words.size();

  for (unsigned int i = from; i < to; ++i) {
    if (i > from) value += ' ';

    value += words[i];
  }

  return value;
}

////////////////////////////////////////////////////////////////////////////////
// Validate the context as valid for writing and fail the write context definition
// A valid write context:
//   - does not contain any operators except AND
//   - does not contain tag exclusion
//   - does not use modifiers, except for 'equals' and 'is'
//
// Returns True if the context is a valid write context. If the context is
// invalid due to a wrong modifier use, the modifier string will contain the
// first invalid modifier.
//
bool CmdContext::validateWriteContext(const std::vector<A2>& lexedArgs, std::string& reason) {
  for (auto& arg : lexedArgs) {
    if (arg._lextype == Lexer::Type::op)
      if (arg.attribute("raw") == "or") {
        reason = "contains the 'OR' operator";
        return false;
      }

    if (arg._lextype == Lexer::Type::pair) {
      auto modifier = arg.attribute("modifier");
      if (modifier != "" && modifier != "is" && modifier != "equals") {
        reason = format("contains an attribute modifier '{1}'", arg.attribute("raw"));
        return false;
      }
    }

    if (arg._lextype == Lexer::Type::tag) {
      if (arg.attribute("sign") == "-") {
        reason = format("contains tag exclusion '{1}'", arg.attribute("raw"));
        return false;
      }
    }
  }

  return true;
}

////////////////////////////////////////////////////////////////////////////////
// Returns all user defined contexts.
//
std::vector<std::string> CmdContext::getContexts() {
  std::set<std::string> contexts;

  for (auto& name : Context::getContext().config)
    if (name.first.substr(0, 8) == "context.") {
      std::string suffix = name.first.substr(8);

      if (suffix.find(".") != std::string::npos)
        contexts.insert(suffix.substr(0, suffix.find(".")));
      else
        contexts.insert(suffix);
    }

  return std::vector<std::string>(contexts.begin(), contexts.end());
}

////////////////////////////////////////////////////////////////////////////////
// Defines a new user-provided context.
//  - The context definition is written into .taskrc as a context.<name> variable.
//  - Deletion of the context requires confirmation if rc.confirmation=yes.
//
// Returns: 0 if the addition of the config variable was successful, 1 otherwise
//
// Invoked with: task context define <name> <filter>
// Example:      task context define home project:Home
//
void CmdContext::defineContext(const std::vector<std::string>& words, std::stringstream& out) {
  auto config = Context::getContext().config;
  bool confirmation = config.getBoolean("confirmation");

  if (words.size() > 2) {
    auto name = "context." + words[1];
    auto value = joinWords(words, 2);

    // Make sure nobody creates a context with name 'list', 'none' or 'show'
    if (words[1] == "none" or words[1] == "list" or words[1] == "show") {
      throw format("The name '{1}' is reserved and not allowed to use as a context name.",
                   words[1]);
    }

    // Extract MISCELLANEOUS arguments (containing the filter definition) for later analysis
    std::vector<A2> lexedArgs = Context::getContext().cli2.getMiscellaneous();

    // Check if the value is a proper filter by filtering current pending.data
    Filter filter;
    std::vector<Task> filtered;
    auto pending = Context::getContext().tdb2.pending_tasks();

    try {
      // This result is not used, and is just to check validity.
      Context::getContext().cli2.addFilter(value);
      filter.subset(pending, filtered);
    } catch (std::string exception) {
      throw format("Filter validation failed: {1}", exception);
    }

    // Make user explicitly confirm filters that are matching no pending tasks
    if (filtered.size() == 0)
      if (confirmation &&
          !confirm(
              format("The filter '{1}' matches 0 pending tasks. Do you wish to continue?", value)))
        throw std::string("Context definition aborted.");

    std::string reason = "";
    bool valid_write_context = CmdContext::validateWriteContext(lexedArgs, reason);

    if (!valid_write_context) {
      std::stringstream warning;
      warning
          << format("The filter '{1}' is not a valid modification string, because it contains {2}.",
                    value, reason)
          << "\nAs such, value for the write context cannot be set (context will not apply on task "
             "add / task log).\n\n"
          << format(
                 "Please use 'task config context.{1}.write <default mods>' to set default "
                 "attribute values for new tasks in this context manually.\n\n",
                 words[1]);
      out << colorizeFootnote(warning.str());
    }

    // Set context definition config variable
    bool read_success = CmdConfig::setConfigVariable(name + ".read", value, confirmation);
    bool write_success = false;

    if (valid_write_context)
      write_success = CmdConfig::setConfigVariable(name + ".write", value, confirmation);

    // Remove old-school context name, if it exists, assuming the read context was defined
    if (read_success)
      if (config.has(name)) {
        CmdConfig::unsetConfigVariable(name, false);
      }

    if (!read_success and !write_success)
      throw format("Context '{1}' not defined.", words[1]);
    else if (!read_success)
      out << format("Context '{1}' defined (write only).", words[1]);
    else if (!write_success)
      out << format("Context '{1}' defined (read only).", words[1]);
    else
      out << format("Context '{1}' defined (read, write).", words[1]);

    out << format(" Use 'task context {1}' to activate.\n", words[1]);
  } else
    throw std::string("Both context name and its definition must be provided.");
}

////////////////////////////////////////////////////////////////////////////////
// Deletes the specified context.
//  - If the deleted context is currently active, unset it.
//  - Deletion of the context requires confirmation if rc.confirmation=yes.
//
// Returns: 0 if the removal of the config variable was successful, 1 otherwise
//
// Invoked with: task context delete <name>
// Example:      task context delete home
//
void CmdContext::deleteContext(const std::vector<std::string>& words, std::stringstream& out) {
  if (words.size() > 1) {
    // Delete the specified context
    auto name = "context." + words[1];

    auto confirmation = Context::getContext().config.getBoolean("confirmation");
    if (confirmation && !confirm(format("Do you want to delete context '{1}'?", words[1])))
      throw format("Context '{1}' not deleted.", words[1]);

    // Delete legacy format and .read / .write flavours
    auto rc = CmdConfig::unsetConfigVariable(name, false);
    rc += CmdConfig::unsetConfigVariable(name + ".read", false);
    rc += CmdConfig::unsetConfigVariable(name + ".write", false);

    // If the currently set context was deleted, unset it
    if (Context::getContext().config.get("context") == words[1])
      CmdConfig::unsetConfigVariable("context", false);

    // Output feedback, rc should be even because only 0 (found and removed)
    // and 2 (not found) are aceptable return values from unsetConfigVariable
    if (rc % 2 != 0)
      throw format("Context '{1}' not deleted.", words[1]);
    else if (rc == 6)
      throw format("Context '{1}' not found.", words[1]);

    out << format("Context '{1}' deleted.\n", words[1]);
  } else
    throw std::string("Context name needs to be specified.");
}

////////////////////////////////////////////////////////////////////////////////
// Render a list of context names and their definitions.
//
// Returns: 0 the resulting list is non-empty, 1 otherwise
//
// Invoked with: task context list
// Example:      task context list
//
void CmdContext::listContexts(std::stringstream& out) {
  auto contexts = getContexts();
  if (contexts.size()) {
    std::sort(contexts.begin(), contexts.end());

    Table table;
    table.width(Context::getContext().getWidth());
    table.add("Name");
    table.add("Type");
    table.add("Definition");
    table.add("Active");
    setHeaderUnderline(table);

    std::string activeContext = Context::getContext().config.get("context");

    for (auto& userContext : contexts) {
      std::string active = "no";
      if (userContext == activeContext) active = "yes";

      int row = table.addRow();
      table.set(row, 0, userContext);
      table.set(row, 1, "read");
      table.set(row, 2, Context::getContext().getTaskContext("read", userContext));
      table.set(row, 3, active);

      row = table.addRow();
      table.set(row, 0, "");
      table.set(row, 1, "write");
      table.set(row, 2, Context::getContext().getTaskContext("write", userContext));
      table.set(row, 3, active);
    }

    out << optionalBlankLine() << table.render() << optionalBlankLine();
  } else
    throw std::string("No contexts defined.");
}

////////////////////////////////////////////////////////////////////////////////
// Sets the specified context as currently active.
//   - If some other context was active, the value of currently active context
//     is replaced, not added.
//   - Setting of the context does not require confirmation.
//
// Returns: 0 if the setting of the context was successful, 1 otherwise
//
// Invoked with: task context <name>
// Example:      task context home
//
void CmdContext::setContext(const std::vector<std::string>& words, std::stringstream& out) {
  auto value = words[0];
  auto contexts = getContexts();

  // Check that the specified context is defined
  if (std::find(contexts.begin(), contexts.end(), value) == contexts.end())
    throw format("Context '{1}' not found.", value);

  // Set the active context.
  // Should always succeed, as we do not require confirmation.
  bool success = CmdConfig::setConfigVariable("context", value, false);

  if (!success) throw format("Context '{1}' not applied.", value);

  out << format("Context '{1}' set. Use 'task context none' to remove.\n", value);
}

////////////////////////////////////////////////////////////////////////////////
// Shows the currently active context.
//
// Returns: Always returns 0.
//
// Invoked with: task context show
// Example:      task context show
//
void CmdContext::showContext(std::stringstream& out) {
  auto currentContext = Context::getContext().config.get("context");

  if (currentContext == "")
    out << "No context is currently applied.\n";
  else {
    out << format(
        "Context '{1}' with \n\n* read filter: '{2}'\n* write filter: '{3}'\n\nis currently "
        "applied.\n",
        currentContext, Context::getContext().getTaskContext("read", ""),
        Context::getContext().getTaskContext("write", ""));
  }
}

////////////////////////////////////////////////////////////////////////////////
// Unsets the currently active context.
//   - Unsetting of the context does not require confirmation.
//
// Returns: 0 if the unsetting of the context was successful, 1 otherwise (also
//          returned if no context is currently active)
//
// Invoked with: task context none
// Example:      task context none
//
void CmdContext::unsetContext(std::stringstream& out) {
  if (CmdConfig::unsetConfigVariable("context", false)) throw std::string("Context not unset.");

  out << "Context unset.\n";
}

////////////////////////////////////////////////////////////////////////////////
CmdCompletionContext::CmdCompletionContext() {
  _keyword = "_context";
  _usage = "task          _context";
  _description = "Lists all supported contexts, for completion purposes";
  _read_only = true;
  _displays_id = false;
  _needs_gc = false;
  _uses_context = false;
  _accepts_filter = false;
  _accepts_modifications = false;
  _accepts_miscellaneous = false;
  _category = Command::Category::internal;
}

////////////////////////////////////////////////////////////////////////////////
int CmdCompletionContext::execute(std::string& output) {
  for (auto& context : CmdContext::getContexts()) output += context + '\n';

  return 0;
}

////////////////////////////////////////////////////////////////////////////////

1	////////////////////////////////////////////////////////////////////////////////
2	//
3	// Copyright 2006 - 2021, Tomas Babej, Paul Beckingham, Federico Hernandez.
4	//
5	// Permission is hereby granted, free of charge, to any person obtaining a copy
6	// of this software and associated documentation files (the "Software"), to deal
7	// in the Software without restriction, including without limitation the rights
8	// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9	// copies of the Software, and to permit persons to whom the Software is
10	// furnished to do so, subject to the following conditions:
11	//
12	// The above copyright notice and this permission notice shall be included
13	// in all copies or substantial portions of the Software.
14	//
15	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
16	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17	// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18	// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19	// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20	// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21	// SOFTWARE.
22	//
23	// https://www.opensource.org/licenses/mit-license.php
24	//
25	////////////////////////////////////////////////////////////////////////////////
26
27	#include <cmake.h>
28	// cmake.h include header must come first
29
30	#include <CmdConfig.h>
31	#include <CmdContext.h>
32	#include <Context.h>
33	#include <Filter.h>
34	#include <Table.h>
35	#include <format.h>
36	#include <main.h>
37	#include <shared.h>
38	#include <util.h>
39
40	#include <algorithm>
41	#include <set>
42	#include <sstream>
43
44	////////////////////////////////////////////////////////////////////////////////
45	CmdContext::CmdContext() {	4,389✔
46	_keyword = "context";	4,389✔
47	_usage = "task context [<name> \| <subcommand>]";	4,389✔
48	_description = "Set and define contexts (default filters / modifications)";	4,389✔
49	_read_only = true;	4,389✔
50	_displays_id = false;	4,389✔
51	_needs_gc = false;	4,389✔
52	_uses_context = false;	4,389✔
53	_accepts_filter = false;	4,389✔
54	_accepts_modifications = false;	4,389✔
55	_accepts_miscellaneous = true;	4,389✔
56	_category = Command::Category::context;	4,389✔
57	}	4,389✔
58
59	////////////////////////////////////////////////////////////////////////////////
60	int CmdContext::execute(std::string& output) {	102✔
61	std::stringstream out;	102✔
62
63	// Get the non-attribute, non-fancy command line arguments.
64	auto words = Context::getContext().cli2.getWords();	102✔
65	if (words.size() > 0) {	102✔
66	auto subcommand = words[0];	102✔
67
68	if (subcommand == "define")	102✔
69	defineContext(words, out);	55✔
70	else if (subcommand == "delete")	47✔
71	deleteContext(words, out);	4✔
72	else if (subcommand == "list")	43✔
73	listContexts(out);	3✔
74	else if (subcommand == "none")	40✔
75	unsetContext(out);	5✔
76	else if (subcommand == "show")	35✔
77	showContext(out);	8✔
78	else if (words.size())	27✔
79	setContext(words, out);	27✔
80	} else {	102✔
NEW 81	listContexts(out);	×
UNCOV 82	out << "Use 'task context none' to unset the current context.\n";	×
83	}
84
85	output = out.str();	94✔
86	return 0;	94✔
87	}	110✔
88
89	////////////////////////////////////////////////////////////////////////////////
90	// Joins all the words in the specified interval <from, to) to one string,
91	// which is then returned.
92	//
93	// If to is specified as 0 (default value), all the remaining words will be joined.
94	//
95	std::string CmdContext::joinWords(const std::vector<std::string>& words, unsigned int from,	54✔
96	unsigned int to /* = 0 */) {
97	std::string value = "";	54✔
98
99	if (to == 0) to = words.size();	54✔
100
101	for (unsigned int i = from; i < to; ++i) {	111✔
102	if (i > from) value += ' ';	57✔
103
104	value += words[i];	57✔
105	}
106
107	return value;	54✔
108	}
109
110	////////////////////////////////////////////////////////////////////////////////
111	// Validate the context as valid for writing and fail the write context definition
112	// A valid write context:
113	// - does not contain any operators except AND
114	// - does not contain tag exclusion
115	// - does not use modifiers, except for 'equals' and 'is'
116	//
117	// Returns True if the context is a valid write context. If the context is
118	// invalid due to a wrong modifier use, the modifier string will contain the
119	// first invalid modifier.
120	//
121	bool CmdContext::validateWriteContext(const std::vector<A2>& lexedArgs, std::string& reason) {	54✔
122	for (auto& arg : lexedArgs) {	215✔
123	if (arg._lextype == Lexer::Type::op)	164✔
124	if (arg.attribute("raw") == "or") {	1✔
125	reason = "contains the 'OR' operator";	1✔
126	return false;	3✔
127	}
128
129	if (arg._lextype == Lexer::Type::pair) {	163✔
130	auto modifier = arg.attribute("modifier");	68✔
131	if (modifier != "" && modifier != "is" && modifier != "equals") {	34✔
132	reason = format("contains an attribute modifier '{1}'", arg.attribute("raw"));	1✔
133	return false;	1✔
134	}
135	}	34✔
136
137	if (arg._lextype == Lexer::Type::tag) {	162✔
138	if (arg.attribute("sign") == "-") {	20✔
139	reason = format("contains tag exclusion '{1}'", arg.attribute("raw"));	1✔
140	return false;	1✔
141	}
142	}
143	}
144
145	return true;	51✔
146	}
147
148	////////////////////////////////////////////////////////////////////////////////
149	// Returns all user defined contexts.
150	//
151	std::vector<std::string> CmdContext::getContexts() {	32✔
152	std::set<std::string> contexts;	32✔
153
154	for (auto& name : Context::getContext().config)	7,978✔
155	if (name.first.substr(0, 8) == "context.") {	7,946✔
156	std::string suffix = name.first.substr(8);	95✔
157
158	if (suffix.find(".") != std::string::npos)	95✔
159	contexts.insert(suffix.substr(0, suffix.find(".")));	93✔
160	else
161	contexts.insert(suffix);	2✔
162	}	95✔
163
164	return std::vector<std::string>(contexts.begin(), contexts.end());	64✔
165	}	32✔
166
167	////////////////////////////////////////////////////////////////////////////////
168	// Defines a new user-provided context.
169	// - The context definition is written into .taskrc as a context.<name> variable.
170	// - Deletion of the context requires confirmation if rc.confirmation=yes.
171	//
172	// Returns: 0 if the addition of the config variable was successful, 1 otherwise
173	//
174	// Invoked with: task context define <name> <filter>
175	// Example: task context define home project:Home
176	//
177	void CmdContext::defineContext(const std::vector<std::string>& words, std::stringstream& out) {	55✔
178	auto config = Context::getContext().config;	55✔
179	bool confirmation = config.getBoolean("confirmation");	55✔
180
181	if (words.size() > 2) {	55✔
182	auto name = "context." + words[1];	54✔
183	auto value = joinWords(words, 2);	54✔
184
185	// Make sure nobody creates a context with name 'list', 'none' or 'show'
186	if (words[1] == "none" or words[1] == "list" or words[1] == "show") {	54✔
NEW 187	throw format("The name '{1}' is reserved and not allowed to use as a context name.",	×
NEW 188	words[1]);	×
189	}
190
191	// Extract MISCELLANEOUS arguments (containing the filter definition) for later analysis
192	std::vector<A2> lexedArgs = Context::getContext().cli2.getMiscellaneous();	54✔
193
194	// Check if the value is a proper filter by filtering current pending.data
195	Filter filter;	54✔
196	std::vector<Task> filtered;	54✔
197	auto pending = Context::getContext().tdb2.pending_tasks();	54✔
198
199	try {
200	// This result is not used, and is just to check validity.
201	Context::getContext().cli2.addFilter(value);	54✔
202	filter.subset(pending, filtered);	54✔
NEW 203	} catch (std::string exception) {	×
NEW 204	throw format("Filter validation failed: {1}", exception);	×
205	}
206
207	// Make user explicitly confirm filters that are matching no pending tasks
208	if (filtered.size() == 0)	54✔
209	if (confirmation &&	81✔
210	!confirm(	28✔
211	format("The filter '{1}' matches 0 pending tasks. Do you wish to continue?", value)))	81✔
NEW 212	throw std::string("Context definition aborted.");	×
213
214	std::string reason = "";	54✔
215	bool valid_write_context = CmdContext::validateWriteContext(lexedArgs, reason);	54✔
216
217	if (!valid_write_context) {	54✔
218	std::stringstream warning;	3✔
219	warning
220	<< format("The filter '{1}' is not a valid modification string, because it contains {2}.",	6✔
221	value, reason)
222	<< "\nAs such, value for the write context cannot be set (context will not apply on task "
223	"add / task log).\n\n"
224	<< format(	6✔
225	"Please use 'task config context.{1}.write <default mods>' to set default "
226	"attribute values for new tasks in this context manually.\n\n",
227	words[1]);	6✔
228	out << colorizeFootnote(warning.str());	3✔
229	}	3✔
230
231	// Set context definition config variable
232	bool read_success = CmdConfig::setConfigVariable(name + ".read", value, confirmation);	54✔
233	bool write_success = false;	54✔
234
235	if (valid_write_context)	54✔
236	write_success = CmdConfig::setConfigVariable(name + ".write", value, confirmation);	51✔
237
238	// Remove old-school context name, if it exists, assuming the read context was defined
239	if (read_success)	54✔
240	if (config.has(name)) {	53✔
NEW 241	CmdConfig::unsetConfigVariable(name, false);	×
242	}
243
244	if (!read_success and !write_success)	54✔
245	throw format("Context '{1}' not defined.", words[1]);	1✔
246	else if (!read_success)	53✔
NEW 247	out << format("Context '{1}' defined (write only).", words[1]);	×
248	else if (!write_success)	53✔
249	out << format("Context '{1}' defined (read only).", words[1]);	27✔
250	else
251	out << format("Context '{1}' defined (read, write).", words[1]);	26✔
252
253	out << format(" Use 'task context {1}' to activate.\n", words[1]);	53✔
254	} else	59✔
255	throw std::string("Both context name and its definition must be provided.");	1✔
256	}	55✔
257
258	////////////////////////////////////////////////////////////////////////////////
259	// Deletes the specified context.
260	// - If the deleted context is currently active, unset it.
261	// - Deletion of the context requires confirmation if rc.confirmation=yes.
262	//
263	// Returns: 0 if the removal of the config variable was successful, 1 otherwise
264	//
265	// Invoked with: task context delete <name>
266	// Example: task context delete home
267	//
268	void CmdContext::deleteContext(const std::vector<std::string>& words, std::stringstream& out) {	4✔
269	if (words.size() > 1) {	4✔
270	// Delete the specified context
271	auto name = "context." + words[1];	3✔
272
273	auto confirmation = Context::getContext().config.getBoolean("confirmation");	3✔
274	if (confirmation && !confirm(format("Do you want to delete context '{1}'?", words[1])))	3✔
NEW 275	throw format("Context '{1}' not deleted.", words[1]);	×
276
277	// Delete legacy format and .read / .write flavours
278	auto rc = CmdConfig::unsetConfigVariable(name, false);	3✔
279	rc += CmdConfig::unsetConfigVariable(name + ".read", false);	3✔
280	rc += CmdConfig::unsetConfigVariable(name + ".write", false);	3✔
281
282	// If the currently set context was deleted, unset it
283	if (Context::getContext().config.get("context") == words[1])	3✔
284	CmdConfig::unsetConfigVariable("context", false);	1✔
285
286	// Output feedback, rc should be even because only 0 (found and removed)
287	// and 2 (not found) are aceptable return values from unsetConfigVariable
288	if (rc % 2 != 0)	3✔
NEW 289	throw format("Context '{1}' not deleted.", words[1]);	×
290	else if (rc == 6)	3✔
291	throw format("Context '{1}' not found.", words[1]);	1✔
292
293	out << format("Context '{1}' deleted.\n", words[1]);	2✔
294	} else	3✔
295	throw std::string("Context name needs to be specified.");	1✔
296	}	2✔
297
298	////////////////////////////////////////////////////////////////////////////////
299	// Render a list of context names and their definitions.
300	//
301	// Returns: 0 the resulting list is non-empty, 1 otherwise
302	//
303	// Invoked with: task context list
304	// Example: task context list
305	//
306	void CmdContext::listContexts(std::stringstream& out) {	3✔
307	auto contexts = getContexts();	3✔
308	if (contexts.size()) {	3✔
309	std::sort(contexts.begin(), contexts.end());	2✔
310
311	Table table;	2✔
312	table.width(Context::getContext().getWidth());	2✔
313	table.add("Name");	2✔
314	table.add("Type");	2✔
315	table.add("Definition");	2✔
316	table.add("Active");	2✔
317	setHeaderUnderline(table);	2✔
318
319	std::string activeContext = Context::getContext().config.get("context");	4✔
320
321	for (auto& userContext : contexts) {	5✔
322	std::string active = "no";	3✔
323	if (userContext == activeContext) active = "yes";	3✔
324
325	int row = table.addRow();	3✔
326	table.set(row, 0, userContext);	3✔
327	table.set(row, 1, "read");	3✔
328	table.set(row, 2, Context::getContext().getTaskContext("read", userContext));	3✔
329	table.set(row, 3, active);	3✔
330
331	row = table.addRow();	3✔
332	table.set(row, 0, "");	3✔
333	table.set(row, 1, "write");	3✔
334	table.set(row, 2, Context::getContext().getTaskContext("write", userContext));	3✔
335	table.set(row, 3, active);	3✔
336	}	3✔
337
338	out << optionalBlankLine() << table.render() << optionalBlankLine();	2✔
339	} else	2✔
340	throw std::string("No contexts defined.");	1✔
341	}	3✔
342
343	////////////////////////////////////////////////////////////////////////////////
344	// Sets the specified context as currently active.
345	// - If some other context was active, the value of currently active context
346	// is replaced, not added.
347	// - Setting of the context does not require confirmation.
348	//
349	// Returns: 0 if the setting of the context was successful, 1 otherwise
350	//
351	// Invoked with: task context <name>
352	// Example: task context home
353	//
354	void CmdContext::setContext(const std::vector<std::string>& words, std::stringstream& out) {	27✔
355	auto value = words[0];	27✔
356	auto contexts = getContexts();	27✔
357
358	// Check that the specified context is defined
359	if (std::find(contexts.begin(), contexts.end(), value) == contexts.end())	27✔
360	throw format("Context '{1}' not found.", value);	2✔
361
362	// Set the active context.
363	// Should always succeed, as we do not require confirmation.
364	bool success = CmdConfig::setConfigVariable("context", value, false);	25✔
365
366	if (!success) throw format("Context '{1}' not applied.", value);	25✔
367
368	out << format("Context '{1}' set. Use 'task context none' to remove.\n", value);	25✔
369	}	29✔
370
371	////////////////////////////////////////////////////////////////////////////////
372	// Shows the currently active context.
373	//
374	// Returns: Always returns 0.
375	//
376	// Invoked with: task context show
377	// Example: task context show
378	//
379	void CmdContext::showContext(std::stringstream& out) {	8✔
380	auto currentContext = Context::getContext().config.get("context");	16✔
381
382	if (currentContext == "")	8✔
383	out << "No context is currently applied.\n";	7✔
384	else {
385	out << format(	2✔
386	"Context '{1}' with \n\n* read filter: '{2}'\n* write filter: '{3}'\n\nis currently "
387	"applied.\n",
388	currentContext, Context::getContext().getTaskContext("read", ""),	2✔
389	Context::getContext().getTaskContext("write", ""));	3✔
390	}
391	}	8✔
392
393	////////////////////////////////////////////////////////////////////////////////
394	// Unsets the currently active context.
395	// - Unsetting of the context does not require confirmation.
396	//
397	// Returns: 0 if the unsetting of the context was successful, 1 otherwise (also
398	// returned if no context is currently active)
399	//
400	// Invoked with: task context none
401	// Example: task context none
402	//
403	void CmdContext::unsetContext(std::stringstream& out) {	5✔
404	if (CmdConfig::unsetConfigVariable("context", false)) throw std::string("Context not unset.");	5✔
405
406	out << "Context unset.\n";	4✔
407	}	4✔
408
409	////////////////////////////////////////////////////////////////////////////////
410	CmdCompletionContext::CmdCompletionContext() {	4,389✔
411	_keyword = "_context";	4,389✔
412	_usage = "task _context";	4,389✔
413	_description = "Lists all supported contexts, for completion purposes";	4,389✔
414	_read_only = true;	4,389✔
415	_displays_id = false;	4,389✔
416	_needs_gc = false;	4,389✔
417	_uses_context = false;	4,389✔
418	_accepts_filter = false;	4,389✔
419	_accepts_modifications = false;	4,389✔
420	_accepts_miscellaneous = false;	4,389✔
421	_category = Command::Category::internal;	4,389✔
422	}	4,389✔
423
424	////////////////////////////////////////////////////////////////////////////////
425	int CmdCompletionContext::execute(std::string& output) {	2✔
426	for (auto& context : CmdContext::getContexts()) output += context + '\n';	6✔
427
428	return 0;	2✔
429	}
430
431	////////////////////////////////////////////////////////////////////////////////

GothenburgBitFactory / taskwarrior / 10152339701

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